Norm
[AKTUELL]
AWS C 4.7/C 4.7M
; AWS C4.7/C4.7M:2020
AWS C 4.7/C 4.7M
; AWS C4.7/C4.7M:2020
Recommended Practices for Oxyacetylene Welding of Steel
Titel (englisch)
Recommended Practices for Oxyacetylene Welding of Steel