ISO 3545:1981被替代
Steel Tubes And Tubular Shaped Accessories With Circular Cross Section - Symbols To Be Used In Specifications
出版：International Organization for Standardization
专家解读视频
1981
DRAFT ISO/DIS 3545 is also available for this standard.
(04/2006)
NFA 49 856 : 1988 - Similar to
NFA 49 853 : 1988 - Similar to
NFA 49 855 : 1988 - Similar to
NFA 49 852 : 1988 - Similar to
NFA 49 861 : 1988 - Similar to
NFA 49 002:1981 - Equivalent
NFA 49 861:1988 - Equivalent
NFA 49 855:1988 - Equivalent
NFA 49 852:1988 - Equivalent
NFA 49 856:1988 - Equivalent
NFA 49 853:1988 - Equivalent
