GB/T 12459  异径三通 DN 200×200×100-Ⅱ-6TR

DN 200×200×100-Ⅱ-6 TR

SO100-150RF

SO150-300FF

WN 500(B)-16 RF00(b)-16 g

asme16.5 so50-150 rf

SO450(A)-16 RF&ampampampampampampampampampamp;amp;wd=&eqid=80ebfc4e000393e3000000055a5d8dde

WN15(B)-160 RJ/]

WN125-160 RF

WN 25(B)-16 FM S=2

3 RF 800-