UNI EN 20544:1993被替代
Specification For Sizes For Filler Metals For Manual Welding
出版：Italian Standards
专家解读视频
Describes the size requirements for filler materials for manual welding and includes covered electrodes, drawn or extruded filler materials supplied in straight lengths and filler materials, other than drawn or extruded, supplied in straight lengths.
NF EN 20544:1992 - Identical
DIN EN 20544 (1991-12) - Identical
BS EN 20544:1991 - Identical
I.S. EN 20544:1992 - Identical
NBN EN 20544:1992 - Identical
UNE EN 20544:1992 - Identical
ISO 544:2003 - Similar
SS EN 20544:1992 - Identical
