NB/T 47065.1  支座 A 2772

47065.4 A2772

PL400B-6RF0RF(MrF(Mr1

47065.3 B11383

WN 4"-150 RF Sch5473

LWN 50-150 RF H=287

BI 76159

WN25(B)-25 RF S=5

so 40-150 fm

WN 25-150 RF

法兰WN25-40RF;s@RF RF-1.0td�40m0@°ط�F100(bRF1/6.cFs0MMFfmpamp536F Rbb=530-10rfN2-6.4/78-150/