HG/T 20592  法兰 WN 300-63 RF S=127

WN 300(A)-63 RF S=127

wn200-63fm s=10.5 RF

SO 400(B)-16 RF/615600-2.

WN25-600 RJSch0 S=3RFfRFR0r50-63 S=8

WN 450-600 Rjh40(B)-16/1040 δ=60 Ham

WN300-300 RF Sch60 s=S

wn 150-150 rf sc000-1Crfb=59020FSRch R95

wn25-25rfJ SCf.51.

pl100B-25RF16rf s

S