GB/T 12459  异径三通 DN 250×250×100-Ⅱ-10TR

DN 250×250×100-Ⅱ-10 TR

WN 25-150 RF Sch40S

DN900-PN6 WN RF Ⅱ S=8.8

PL 25(B)-40RF0 Sch4000000000000

WN 450(A)-16 RF S=6

WN125(a)-1500 RF0-2pamp4-

SO 20-150 RF

WN15B-16M0RF0606F0-F ⅡF6

WN600(B)-900RJ

WN300(A)-100 RF S=5RÂ 1100-f/@L0-Rasr0rfs00