GB/T 12459  弯头 DN 200-Ⅱ-490EL00 RFpl500(a16RF20

DN 200-Ⅱ-4 90EL00 RFpl500(a16RF20

so450(B)-16 M C=75 H=103

JWN65×100(B)-16 RF

47021rf1100-0.25540-1.0/h80S

JWN 65×100 (B)-16 RF

SW32-300 RJ rf hg/��/88-ch800105 RJ�

WN10-63RJ

JWN 65×100(B)-16 RF

WN350-150RF B=3310000-2Ra/M@LT R² K=362 Nr