Institution, 8. B. S. Approval testing of welders when welding procedure approval is not required.
Cita Chicago (17th ed.)Institution, 8096 British Standards. Approval Testing of Welders When Welding Procedure Approval Is Not Required.
Cita MLA (9th ed.)Institution, 8096 British Standards. Approval Testing of Welders When Welding Procedure Approval Is Not Required.
Atenció: Aquestes cites poden no estar 100% correctes.