ISO 3545-1:1989(R2013)现行
STEEL TUBES AND FITTINGS - SYMBOLS FOR USE IN SPECIFICATIONS - PART 1: TUBES AND TUBULAR ACCESSORIES 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 tubes and associated products.
NF ISO 3545-1 : 1991 - Identical
PN ISO 3545-1 : 1996 - Identical
NS ISO 3545-1 : 1ED 1991 - Identical
PN ISO 3545-1 : 1996 - Identical
NF ISO 3545-1 : 1991 - Identical
NS ISO 3545-1 : 1ED 1991 - Identical
NF EN 10266 : 2004 - Identical
