GB/T 12459  弯头 DN 32-590E3Drf15аёЈВҳаёўаёҗ�

DN 32-5 90E3Drf15аёЈВҳаёўаёҗ�

WN 20(B)-40 RF S=3

WN 150(a)-40RF.0m

WN300(A)-63RFqu66- hF5 S.6dso

WN WN100-300 RF S=3.5FM0RF807.06F N=12forum.h.5EL

WN 100(B)-100Mf5/rfff0Rf10080/u0099/data/src

BL 20-300 RFRF6031.0305- S=5sFF B=59

A 210.-S