Safe and efficient fixing device for perforating bullet pressing mold
The utility model relates to a safe and efficient fixing device for a perforating bullet pressing die, which is characterized by comprising an upper three-jaw fixing disc, the upper three-jaw fixing disc is composed of a chuck body, a movable clamping jaw and a clamping jaw driving mechanism, the cl...
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Format: | Patent |
Sprache: | chi ; eng |
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