NB/T 47023  法兰 FM 21200-1/00 RF S

3 FM 21200-100 RF S

WN100-100 RfS=119C=286.4 δS=6)40-1606/10/5500

wn150-150 rf

20615 wn65-25 rf

SO 400(B)-6 FM50 SFMM

20615wn250-150rf1001ã¦â³â€¢ã¥â€¦â°wn250-150rfhg/

47023 RF700-4.0

WN 800(B)-16 RF S=5

NB=T47023 FM900-1.6

PL32(A)-16