NF A 81-381
NF A 81-381 (Welding and thermal spraying. Filer products for weld-surfacing and/or coating. Classification. Codification ot the chemical composition)· AFNOR NF (France) · 74 materials
NF A 81-381 (Welding and thermal spraying. Filer products for weld-surfacing and/or coating. Classification. Codification ot the chemical composition)· AFNOR NF (France) · 74 materials