Method for improving concrete ground repairing efficiency of operator

The invention discloses a method for improving the concrete ground repairing efficiency of an operator. The method comprises the following steps: A, sleeving one end, away from a connecting shaft, ofa mounting shaft with a repairing disc, enabling a mounting hole to be matched with the mounting shaf...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZENG MINSI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE FIXED CONSTRUCTIONS MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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