Protective device for sheet metal part cutting

The utility model discloses a protective device for cutting sheet metal parts, which relates to the technical field of protection for cutting and comprises an upper protective cover, and a lower protective cover is slidably mounted on the upper protective cover. Wherein the lower protective cover ro...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI GUOZHONG, LI GUONIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING
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