HG/T 20592  法兰 PL 600-6 FFFrf RF S

pl600a-6ffFrf RF S

SO 80(B)-300RFR-300d=50 A

SO 450(B)-1500 RF1.600-150M-90S

SO 450(B)-40 RF/f40xinvo

SO 500-150 RFqampampam0 RJ S=20pampamp

SO10-150 RF RF S=8.2RRF6 RF4

SO10-25MFM-3ScFM700-1

PL 00(B)-10 RFJf.2FRF6.63Df.0s/1-

SO 65(B)-16 FF6 RFF-16RF