法兰 WN 40(B)-40 RF S=3.6/55- ÃFM Sf=72RF5T

WN40B-40RF S=3.6/55- ÃFM Sf=72RF5T

20592WN80(B)-16RFS=4RFDRFR-95

WN50-300 T Sch40 H=60

wn15(b)-900rf0-0.65r.5RF@PL56

WN 65(B)-63 RFhg/205920 RF16RFB)-16RFRFF B=0RFB=0RFB=

bl500(B)-16FFD=620K=5=4 b1h1=55F H=190ã¥0-13.5=5

WN 65-10 RF00-0-

470