GB/T 12459  异径三通 DN 800×800×100-Sch20TR

DN 100×100×800-Sch20 TR

WN300(B)-160MF

WN500- 25RF

bâ… 500-f/@LWN100-150 RF

so32(b)-40rf b1=c1&ampampampampampampampampamp;amp;amp;amp;quot; b=

pl40(b)-6 rf b1=23

wn200-63 fm

wn100(a)- 25rf s=12

wn50-100m s=7/ RF

wn150-40 fm s=5AF0R