GB/T 12459  弯头 DN 80-290ELRF4300-1RFfrj

DN 80-2 90ELRF4300-1RFfrj

pl100-16rfRF.6.5 rf b=49ch40FF6.4 FM700-

47021FM600-0.619R-6 rf hg/

WN15-40T2 RF RJ604025

WN 500(B)-16 M Sch

WN200(B)-40 RF S=4mm00-2 4/rfhg/forRF

DN65/PN16/11E5 î´5-150 RF…

pl300-10rf aa=22/1/s6-16M1.0ScF=6

SO350(B)