Designation: D312/D312M − 16a (Reapproved 2023)Standard Specification forAsphalt Used in Roofing1This standard is is...
Designation: A312/A312M − 24aUsed in USDOE-NE standardsStandard Specification forSeamless, Welded, and Heavily Cold ...
Обозначение: A312/A312M – 19Стандартные технические условия на бесшовны...

