Flip type protection device for hole opening of manual hole digging pile

The utility model relates to a manual hole digging pile hole opening flip type protection device which comprises a hole opening protection mechanism, the hole opening protection mechanism comprises a horizontally-arranged supporting framework, the supporting framework is composed of an inner frame a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIN ZONGLIANG, ZHANG JIANLIN, HUA CHUNLEI, LIN HUANZHOU, LI JIAJIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FORMS FOUNDATIONS HANDLING BUILDING MATERIALS ON THE SITE HYDRAULIC ENGINEERING REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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