Welding personnel - Qualification testing of welding operators for fully mechanized welding and weld setters for fully mechanized welding and automatic welding of metallic materials
German title
Schweisspersonal - Prüfung von Bedienern und Einrichtern zum mechanischen und automatischen Schweissen von metallischen Werkstoffen
Original language
English,
French
Pages
56
Original language
English,
French
Pages
56
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