HG/T 20592  法兰盖 BL 300(B)-16 RF/

BL300B-16RF/

WN 1 1/2"-300 RF Sch80

WN 6"-300 RF S=146.3

SO100-10 RF

SO 150(B)-10 FF C=20 H=30

PL158-6RF10080@40(1.6LRF8125AFRF@RF@40fF

BI 273-F/S-1a

WN70-150RFSch0SC-1S

LWN 3"-600 RF H

WN 15-150RF-10 RF-1SFscdata5 RJ0Smpampampnbspâ