Bumper ultrasonic punching tool bit, ultrasonic machining device and production line of bumper ultrasonic punching tool bit
The utility model relates to the technical field of automobile bumper machining, and discloses a bumper ultrasonic punching tool bit, an ultrasonic machining device and a bumper ultrasonic punching tool bit production line, and the bumper punching tool bit production line is sequentially provided wi...
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Format: | Patent |
Sprache: | chi ; eng |
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