NB/T 47065.1  支座 BⅠ 6987

bi 6987

DN 800-Sch10S TS6rf

WN200(A)-40 RFs=6Mb16 FF B

20592 SO65-16 RF20

DN15/PN160/05B RF Sch40S1000S

NB/T47021 RF450-1.6FRF/@5@0½@4CF@RF@41RF@RF@08iBF41

PL 32(B)-16 FF.5mF�)-10rf/F S=

WN 250(B)-16 FM S=9

47021 fm1000-0.69.B)-16RFF.5h80 B=24

47