HG/T 20592  法兰 PJ/RJ 15-25 RF=22B)-10/M

PJ/RJ15(A)-25 RF=22B)-10/M

wn50(b)-16 rf sch Schr=1009 bl 25-150 rf34.96RF16@40S=5

2 A37FRF2TR TR4.=30sch1056175M6R60 RTR61500 RJ Sch8

BL300-16 RF S=12

pl100(b)-16 rf d=1080 n=2

WN 50(B)-25 RFh- rf0 RF=-2009F0.650-057

BL15-150RF40 R 80-100 bbWF B=

lw