DIN 18800 PART 7... · cate acc. to DIN 18800-7. Mr. Erdogan Bahce (IWS) is responsible that all...
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DIN 18800 PART 7... · cate acc. to DIN 18800-7. Mr. Erdogan Bahce (IWS) is responsible that all -welders possess valid welding certificates / oparator approval test certificates