Asme b36 19 حرفه ای مورد استفاده در سقف
asme b36.19. ansiiasme b36.19m-1985. reaffirmed 1994. for current commlllee personnel please see asme manual a s 1 1. sponsored ano published b y. t h e a m e r i c a n s o c i e t y o f m e c h a n i c a l e n g i n e e r s. united engineering center 345 east 47th street n e w york, n. y. 1 o 0 1 7.