HG/T 20592  法兰 WN 700(B)-100 RF S=5

WN 700(B)-100 RF S=5

so50(b)-40 m 4/u00c3

BL 400-10 RFJ S=22.21200 δ

WN 25-150 RF S=1056p0-1606FF)-4-4.Sch-140=163g00-

BL25-150 RF S=4

WN80B-63G740o 40RF ff bb=3861.6

so50(b)-25m(B)-1010=13

PL200-16RJR000pamotS 90EL

WN50-16RJF4.0/0à

SO 100-150 RFR0