GB/T 12459  弯头 DN 40-Sch80S180ELB360Rh80f000-150RF

DN 40-Sch80S 180ELB360Rh80f000-150RF

47023 c-rf900-2.5 r0-1/RFRF

WN 100(B)-63RF S=3

20592 WN40-16RFB)-2.5/0/

PJ/RJ 50(B)-16MH S=2ff

PL25B-16RF f1=3J K=2FF HG/T20615=50ch80s-2fC=5

PL 80(B)-16 RF

bl 250-300 rf5RF1.6/500-4.025 RF25 F

WN 16"-1500 R