Battery welding nozzle and welding device
The utility model discloses a battery welding nozzle and a welding device, the battery welding nozzle comprises a main body, the main body is provided with a first end face, the first end face is a welding face, the main body is provided with a first welding hole and a second welding hole in a penet...
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Format: | Patent |
Sprache: | chi ; eng |
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