HG/T 20592  法兰 PL 100-10 RF RF/RF)-16RF7.5/0sC-RF-300MF

PL100(A)-10 RF RF/RF)-16RF7.5/0sC-RF-300MF

SO 2 1/2"-600 SG6sc1.01.0

PL65(B)-16 RF

1 FM 800-1.0 δs=10

WN 500-150 RF

SO150-16 RF

DN25-PN16 PL RF Ⅱ

WN 32-600 RF

WN 300(B)-16 RF S=4

DN25-PN16 PL FF Ⅱ M5050 rf/wn400-)-10rfF61=91RFn���0╬