HG/T 20592  法兰 WN 50-16 RF S=4 A=

WN50(A)-16 RF S=4 A=

WN 200-25 RFF8006./u0 RJ RF� �FFF0J-1671@ c=20 f1=2.50-165=M S7Fb=h4ch1RmRF4data5 RJ0SMch8006RFA

WN800-16MFMFD10 D=1=6pampampam0F14-1

wn100b-10 rf=58530h8=b)-6

WN80-25RFS=732/rf0Sch80)500 sch80 s/64mspampamp4080-2.5 rf

BL250