Institution, 8. B. S. Approval testing of welders when welding procedure approval is not required.
Citazione stile Chigago Style (17a edizione)Institution, 8096 British Standards. Approval Testing of Welders When Welding Procedure Approval Is Not Required.
Citatione MLA (9a ed.)Institution, 8096 British Standards. Approval Testing of Welders When Welding Procedure Approval Is Not Required.
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