Portable punching and dust removing device

The technical problem to be solved by the utility model is to provide the portable punching and ash removing device which is convenient for punching, convenient for cleaning powder and scraps in wall surfaces and holes and adjustable in punching depth. The device comprises a supporting disc, a suppo...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GU ZHIMENG, DENG QIANG, ZHANG GUIJUN, XIANG HAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	PERFORMING OPERATIONS TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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