CPC Main Group
B23K 5/00 Gas flame welding
9 direct subcodes
Child Classifications
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- B23K 5/02 Seam welding
- B23K 5/10 Welding workpieces essentially comprising layers of different metals, e.g. plated workpieces
- B23K 5/12 taking account of the properties of the material to be welded
- B23K 5/18 for purposes other than joining parts, e.g. built-up welding
- B23K 5/20 making use of vibrations, e.g. supersonic vibrations
- B23K 5/213 Preliminary treatment
- B23K 5/22 Auxiliary equipment, e.g. backings, guides