Heat preservation screw assembly for building prefabricated part

The heat preservation screw assembly for the building prefabricated part comprises a screw assembly body, a screw device and a heat preservation device, a screw is arranged on the side face of the screw assembly body, a screw head is arranged at one end of the screw, a screw tip is arranged at the o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	REN JUNHAN, XIONG BO, ZHU AIHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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