فروش کارخانه ای astm a276 مورد استفاده در سقف
Published March 2017. Originallyapproved in 1944. Last previous edition approved in 2016 as A276/A276M – 16a.DOI: 10.1520/A0276_A0276M-17.2 For referenced ASTM standards, visit the ASTM website,, orcontact ASTM Customer Service at [email protected]. For Annual Book of ASTMStandards volume information, …