High-frequency long-service-life pneumatic leather punching machine head
The utility model discloses a high-frequency long-service-life pneumatic leather punching machine head which structurally comprises a lifting rod, and a punching knife is arranged at one end of the lifting rod. The guide sleeve is in sliding fit with the lifting rod in the punching direction and is...
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Format: | Patent |
Sprache: | chi ; eng |
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