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CN102644647A
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Martensite stainless steel anti-theft screw manufactured by quenching hardness-increasing and brittle non-increasing process
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CN102661309A
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Martensite stainless steel anti-theft nut manufactured by anti-crisping quench hardening process
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CN102537011A
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Martensitic stainless steel anti-theft screw manufactured by process of quenching to enhance hardness and not enhance crispness
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CN102588420A
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Martensitic stainless steel anti-theft nut manufactured by quenching, hardening and embrittlement-free process
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CN102322471A
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Theftproof nut provided with inner eccentric round hole on top surface
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CN102297192B
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Heat-treatment quenching hardened anti-theft nut with top barrier at top
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CN102374221A
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Anti-theft screw provided with eccentric inner circular hole in screw top
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CN102198649A
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Movable sleeve for assembling and disassembling screw with two different threads and bumpy surface on screw top
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CN102182747A
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Anti-theft screw with concave-convex surface on screw hole top in heat treatment stiffening screw top
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CN102152268A
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Special-shaped swing rod ratchet handle wrench special for assembling and disassembling anti-theft screws
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CN102182746A
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Anti-theft screw with butting bar on screw hole top in heat treatment stiffening screw top
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CN102248506A
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Movable sleeve for mounting and dismounting screw with two different threads and top resisting part on screw top
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CN102102698A
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Thermal treatment quenched and hardened circular-arc-shaped outer circumferential wall pin top anti-theft screw
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CN102072240A
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Thermally treated, quenched and hardened arc outer circumference wall theft-proof nut
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CN102052380A
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Thermally-treated, quenched and hardened theft-proof nut with circular-arc outer circumferential wall
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CN102032254A
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Thermal treatment quenching enhanced hard arc antitheft screw with outer peripheral wall top
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CN102039575A
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Movable-top sleeve special for spanner for assembling and disassembling three-difference thread anti-theft screws
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CN102092023A
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Special wrench capable of moving forward and backward to mount and demount anti-theft screw
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CN102094887A
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Heat treatment quenching anti-theft screw capable of being assembled and disassembled in mode of advance and retreat
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CN102086900A
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Heat-treated and quenched anti-theft nut capable of being assembled and disassembled in advancing and retreating way
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