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US4210305A
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Composite forms for constructing concrete walls
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US4185186A
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Method of constructing an electrical radiant heating system
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US4151975A
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Panel junction assembly
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US4080084A
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Splicing device for overlapped rods
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US3977647A
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Means for connecting abutting form panels and for mounting a tie rod
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US3869530A
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Method of constructing a prestressed concrete circular wall
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US3884328A
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Scaffold plank
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CA970189A
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Anchor device
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CA999762A
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Rock bolt assembly
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CA972991A
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Rock bolt assembly adapter
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US3905093A
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Method of erecting wall-form
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US3908386A
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Rock bolt for remote installation
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CA985537A
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Rock bolt for remote installation
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CA952138A
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Machine for conditioning the human body
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CA948899A
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Rock bolt
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DE2167025A1
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Strata bolt anchoring sleeve - has peripheral annular or saw tooth recess parallel to bolt axis in all engagements
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US3653217A
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Rock bolt rod configuration
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US3662747A
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Circulation-stimulating machine
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US3695045A
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Rock bolts
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US3891731A
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Method of pre-stressing form tie systems
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