HG/T 20592  法兰 SO 50(B)-40 RF61F02FRF0-RF0b10

SO50(B)-40 RF61F02FRF0-RF0b10

SO600-150RFfm s=611 H

47065.3 B300b3/22/@SWFu0050(

1 CFM 400-1.0

SO 100(B)-16 RF

WN 250-10 RF

wn200(B)-150 RF SC RF-1.0RFG

SO 2"-150 FF

WN 5"-300 RF S=10

WN 40(B)-25 M S=388%e4%bf%a1%e5%8f%b7%e5%ad%94%ef%bc%890