Card punching device for preventing tool from broken

The invention relates to the technical field of card punching equipment, and discloses a card punching device for preventing a tool from broken. The device comprises a device body. A first electromagnet is fixedly connected to the top in the device body, a limiting bar I is fixedly connected to the...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	DAI PEIFEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CUTTING CUTTING-OUT DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING HAND CUTTING TOOLS PERFORATING PERFORMING OPERATIONS PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING STAMPING-OUT TRANSPORTING
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