NF A 81-356
NF A 81-356 (Arc welding. Bare flux-cored wires depositing a low-temperature steel weld- metal. Symbolization. Requirements. Acceptance)· AFNOR NF (France) · 57 materials
NF A 81-356 (Arc welding. Bare flux-cored wires depositing a low-temperature steel weld- metal. Symbolization. Requirements. Acceptance)· AFNOR NF (France) · 57 materials