Foundation bolt length control device

The utility model relates to a length control device for a foundation bolt. The length control device comprises a vertical part and an extension rod of the foundation bolt, the vertical part and the extension rod are each provided with a smooth section and a peripheral threaded section. The thread d...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JI RENQIN, HU ZHIGAO, SHANGGUAN MIN, ZHANG GANXIAO, CHEN YONGFAN, ZHANG SHOUQI, LIN LE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING CEILINGS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS ROOFS WALLS, e.g. PARTITIONS
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