GB/T 12459  弯头 DN 50-Ⅱ-590ELb6700-1.0R

DN 50-Ⅱ-5 90ELb6700-1.0R

WN100-63RFG/F(B)-10FM S

PL250(B)-25RF4/h4a

pl15b-6RF 1-10rfcrf T1

SO65-150RF4

LWN50-300RF SCH80 H=239

WN 250-900 RF/ch Sch403S=1-1. FFl0sgml000-1.2

WN 65-150 RF S=5.2

WN20-150RF-S

pl80B-16rfS RF S=82 hg/forum.htm�-1500 FM