HG/T 20592  法兰盖 BL 450-16 M8)3RFa=U

bl450-16m8)3RFa=U

BL150(A)-25G50RF

bl20-900tf RF S=20EL0/000-1.300 RF0 LT S

AWN 700(B)-150RFfm s=10-2.5/-RF600rj6h60 s=5f|0

SO20-150RF B=1PL15JT6 Rb)- S=1920Â0FFh4027

wn80-40RF Sch40 Spn0-50/

WN400-25RJ66RF0R0 n=80RFa=610-RF-S

wn300(b)-16 rf

BI 325