Carbon dioxide gas shielded welding device
The invention discloses a carbon dioxide gas shielded welding device which comprises a rail (1), wherein a trolley (2) is arranged on the rail (1) and connected with a case (18); a fixed block (3) is arranged on the trolley (2); a gear (5) is arranged on the fixed block (3) and connected with a moto...
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Format: | Patent |
Sprache: | chi ; eng |
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