HG/T 20592  法兰 SO 300(B)-40 RF0120.2f-16FMF00c2/u0

so300b-40rf0120.2f-16FMF00c2/u0

LWN 2"-150 RF Sch40S-20090´=2

pl 50(b)-16 fmndefined=25001

1 RF 500-1.0B)5-300/u007.5 RJJ0SM0F0@RFu00

BL200(B)-63M31=-B)

bl32-40rf

47065.2 A1

SO 400-10 RF S=)-

WN 1 1/2"-150 RF Sch40S.6/64-2rfF

bl100-150 rf4