GB/T 9124.1  法兰 DN500-PN16 WN RF Ⅰ â…، S=10

DN500-PN16 WN RF â…، S=10

WN400-150RF S=18R44h80F=1

WN350-150 G Sh1RF0-100 rjf0FH40S16 RF RF.¶

SO300(A)-10 RFy0-m-16RF-30╘B

wn600-600 m/ Î92-2009)/10

B WN750-600 RF16 RFRF-S

SO 50-150 RFFFrf rf F.3215Jch40

WN250-150M f5.5�

BL 25-150 RF

LWN