GB/T 12459  等径三通 DN 42-2.5TS

DN 42-2.5 TS

WN 150-150 Rf Sch60

WN150-150RF HG/)-.5 RJ/h5 RJ

A BL 42"-300 RF

BL550-16RF@RF@J/.6156 f1rfch80S�rFFmpa1217.5 RJj@5c2@RF@443RF0 RJ0FM@40s FF Sch40���

bii 5197

1 RF 600-1.0-60F-5 RJ6 RF0 FFt

WN80(B)-16 RF9453

BⅡ 19054

2 A55