HG/T 20592  法兰 WN 350(B)-25 FM S=10 /C

WN350B-25FM S=10 /C

WN400-300 RJ

BL150-10 RF D=275

WN25-63 RF

47023-RF800-1.0S=4.

WN150-300 RJ

WN80(B)-100RJS=4.5-1� FM

WN80-900 G

SO 28"-150 RFS°606rf��qu-150 RF Y=3

WN80-2500RJ19MM/2.=15ampampampa RF�°F5@PFRF-150 FF5RF2@F38800/2FCpF