HG/T 20592  法兰 WN 65(B)-25 RF S=12

WN 65(B)-25 RF S=12

WN65-300 M S0.25/1=5 b1=1715B)-2Ã

so40(b)-10RF1.-4.400 SC100-麓=70 H=14rfsoF

TPB-11.0 а3_6h12RJ550-1.6δ)am0FFM-10b)-000

wn100-25rf s=10.5 �nbsp

WN 24"-600 RF Sch40

PL150B)-10RFM

WN250-150 RF Sch40

A WN 28"