HG/T 20592  法兰 PL 300(B)-10 RF sJm4FFFRFJ

PL300(B)-10RF sJm4FFFRFJ

BL400-25RF61500FM0mpn

DN32-Class2500 WN RF S=10CH5/

BL80-63 RF30amp,S=F-/rf70-1fkempam140sS=0=RF Sch

2 CT 1200-0.2520δ

3 T 1600-4.020

PL40(B)-10 RF B1

WN 65-300 FM Sch40S==12ch6f).)-4 c

WN 250-150 RF Sch80fh40 R/6-15 fm16RF0