ISO 3545-3:1989(R2013)现行
STEEL TUBES AND FITTINGS - SYMBOLS FOR USE IN SPECIFICATIONS - PART 3: TUBULAR FITTINGS WITH CIRCULAR CROSS-SECTION
出版：International Organization for Standardization
专家解读视频
States the most common symbols with the aim of standardizing and facilitating the use of terminology in standards for steel hollow sections and associated products.
NF ISO 3545-3 : 1991 - Identical
PN ISO 3545-3 : 1996 - Identical
PN ISO 3545-3 : 1996 - Identical
NF ISO 3545-3 : 1991 - Identical
NF EN 10266 : 2004 - Identical
