Welding persone - Qualification testing of welding operators and weld setter for mechanized and automatic welding of metallic materials

Welding

Welding persone - Qualification testing of welding operators and weld setter for mechanized and automatic welding of metallic materials : ISO 14732:2013. -- 2.vyd. -- Geneva : ISO copyright office, 2013. -- 22 s.

technické normy * ISO * ISO 14732 * SVAŘOVÁNÍ * KVALIFIKAČNÍ ZKOUŠKY
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