Compound nested formula stock that can stretch out and draw back

The utility model discloses a compound nested formula stock that can stretch out and draw back, compound nested formula stock that can stretch out and draw back includes: limit structure, first stock,second stock and elastic joining section, the one end of first stock with limit structure fixed conn...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHEN YUPENG, LI XIAOXIA, ZHANG JINGQIAO, ZHONG SHUNYUAN, FENG WEI, LIU SHIDONG, ZHOU ZHIGUANG, ZHANG XUEDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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