HG/T 20592  法兰 PL 100(B)-25 RF D=1700 B= d= K= L= n= C= f1= b=0)-1

PL 100(B)-25 RF D=1700 B= d= K= L= n= C= f1= b=0)-1

PL 150(B)-10 RF.6RF Sch325- C=12 b=65-30-1.6 Ã

gb/@47023 RF1500-0.6/6 RF S=S=6�▓я▐Б■─п

47023 C-RF 2000-0.6

BWN750(B)-150RFampampampampampa-

PL100(B)-10 RF d=269.9 D=345 C=29 K=11

PL1