HG/T 20592  法兰 WN 80-16 RF S=60SB)-6

WN 80-16 RF S=60SB)-6

SO80(B)-40FM R2h80S23.9Sch-1254000-60

so25-6ff/210chw4=560 RJ10 fm00-50r5

WN65B-40 RF S=4.

WN20B)-25MRJ)-10r

SO 50(B)-40 RF b=45 A=50RFSch120-1

WN 10(B)-10 Tpampampa

WN 500-300 TF3 B= h=0-1209

DN250-PN40 IF RF Ⅱ6 s=18RF6.4/92