HG/T 20592  法兰 PL 300-2.5 FF/-300 RF S=810

wn80(b)-63rfs16RFfmu007Fb=50h40=4PL10S=/0)-0R1190ampampfrf11 RF RF16

PL300(A)-2.5 FF/-300 RF S=810

wn80(b)-10 rf sã¯â¼â

wn60-150 RF/c=/

SO40(A)-6 RF/A=271

WN 250-1500 RF Sch80S7 n=0RF Sch12000-150RF S=109

WN 600B-25RF S=12

WN150(B)-300FMch160.00