HG/T 20592  法兰 PL 32-6 RFF0RJ5052.54R.6آ©b)-10

PL32-6RFF0RJ5052.54R.6آ©b)-10

WN 15-150 RF Sch80S

WN2"-150 RF Sch10

PL200(B)-16 RF RF S=5F Sch4055-R@0000O0@00 S rf 1�0=6BI1003RF00-1S5 RJ2A=70R�

WN4"-150 RF Sch40

WN 600-150 RF Sch40Sch40S3/04300B--6FF -0.6 rf m)-16RF�.RF0@RF 1000F