NB/T 47021  法兰 RF 700-0.6/300RF SCH10S/pl 50(b)-16

1 RF 700-0.6300RF SCH10S/pl 50(b)-16

47023 fm800-1.0 80c

SO 4"-150 RF O=190.

WN20-300G/Sch T2.5

SO 150-600 RFb0-0.640-

SO 4"-150 RF O=190.5

PL3-16 RF

BL400(B)-16 RFF50806F SC

bl400-16 RFF281f0MFï؟½1SP0RF

wn150(b)-63 g RFRFFSam40n s=8RF6R