GB/T 12459  同心异径管 DN 1500×15-Sch140RC0 RCR

DN 1500×15-Sch140 RC0 RCR

SO80-150 RF0/04FA01-12/6FB-10Rh40h/ SCHRFFM

LWN 25-300 RF sch80

APB-9-1

WN450A-10FF0- t00(b)-16rf-6 RF S

47065.3 B2R5r0.6/5240M0rf d=550 HG/T250-300=

SP-300-2.5800-4hg/SF.0 δ0=10 Bf1

LWN50-150 RF Sch40 H=1572000f/@2.5

bl60