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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
flux-cored wire for ar-co2 mixed gas shielded arc welding | 9 | 2015 |
metal-based flux cored wire for ar-co2 mixed gas shielded arc welding | 7 | 2008 |
welding by the use of two electrodes plasma torch | 7 | 2011 |
flux-cored wire for carbon dioxide gas shielded arc welding | 7 | 2015 |
tunnel type pipe forming welding method and device | 6 | 2012 |
insert-chip, plasma torch and plasma processing device | 6 | 2009 |
insert-chip and plasma torch | 6 | 2011 |
multi-electrode single-side submerged-arc welding bond flux | 5 | 2014 |
flux-cored wire for carbon dioxide gas shielded arc welding | 5 | 2015 |
flux-cored wire for gas-shielded arc welding | 5 | 2015 |