NB/T 47065.1  支座 BⅡ 3920130750 RF31240@b48@44�016 RF S=3

bii 3920130750 RF31240@b48@44�016 RF S=3

WN 1 1/4"-150 RF Sch40

WN 50(B)-40MRF=19

BL 3/4"-150 RF

pl125b-10RF

PL32-10RF

WN 80-300 RF SCH80 D=i

3 B47150RFSfA-��Mfs2@RF@4 Rch44060fF R4 R 007RFch0RF0��座B

SO 300-25 RF B=328

法兰BL