By Admin In ASME 2019-12-30 0 ASME PTC 19.7-1980 (R1988) Click here to purchase Product Details Published: 01/01/1980 ANSI: ANSI Approved Number of Pages: 51 File Size: 1 file , 4.3 MB Product Code(s): D0000P, D0000P, D0000P