NEN EN 288-4:1997被替代
Specification And Approval Of Welding Procedures For Metallic Materials - Part 4: Welding Procedures For The Arc Welding Of Aluminium And Its Alloys
出版：Nederlands Normalisatie Instituut
专家解读视频
Specifies how a welding procedure specification is approved by welding procedure tests. Defines the limits of validity of an approved welding procedure and the conditions for the execution of welding procedure approval tests for practical welding operations. Also includes annexes, tables and diagrams.
ONORM EN 288-4:1993 - Identical
SN EN 288-4:1998 - Identical
UNI EN 288-4:1993 - Identical
I.S. EN 288-4:1993 - Identical
NF EN 288-4:1993 - Identical
NBN EN 288-4:1993 - Identical
BS EN 288-4:1992 - Identical
DIN EN 288-4 (1997-10) - Identical
SS EN 288-4 Ed. 2 (1997) - Identical
NS EN 288-4:1992 - Identical
UNE EN 288-4:1993 - Identical
