GB/T 12459  弯头 DN 50-590ELRF6R

DN 50-5 90ELRF6R

PL100(B)-16RF66RF-FRF500R

47021 rf400-1.6/forum.htmlMF

BL350-600 RF S=12

SO80-150 RF B=63f3/0-f/@a wn1000-150 rfFF

WN 600-40 FMFSch5S SCH/1M S=12

bl100-100rfR

WN20(B)-25 FF0/u00eF Sch401..6.

PL 300(B)-2.5 RFHG/T

BL 25-160 M/0.6/-1010