Polycarbonate modified plastic for extreme environmental temperature and preparation method and application thereof
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A kind of cast gate defective material removal device
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A kind of ammunition packing structure
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A kind of anti-mixing pressure vessel for reverse osmosis
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A kind of axial pressing type fast assembling-disassembling sealing detection piecing devices
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A kind of -55 DEG C of impact resistances of low temperature, 70 DEG C of resistance to deformation PP composite materials of high temperature and preparation method thereof
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A kind of hanging-connecting steep-lead thread screws air-tightness device for fast detecting
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Modular plastic package barrel for shell
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Quick inserting type independent lock catch loading device
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Internal pulley device having turnover guide mechanism
