Negative pole roller assembly and plating device
The utility model provides a negative pole roller assembly and plating device, negative pole roller assembly contains: first roller, it has first hardness with at least surface and carries out rotatory mode and possesses to the mode that has electric conductivity with at least surface possesses, and...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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