ASTM A312/A312M-21 Standard Specification for Seamless, …
ASTM A312/A312M-22a REDLINE: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes: : 표준: 3: ASTM A312/A312M-22 REDLINE: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes: : 구판: 4: ASTM …