GB/T 12459  偏心异径管 DN 80×10-Ⅱ-4RE0ะฟยฉ

DN 80×10-Ⅱ-4 RE0ะฟยฉ

47022 t 1000-1.6550 rf0-2

WN100-16RF0 RF0-

PL40-16 RF

PL 80(B)-25 RF3M SS=51.0.2 RF S=5.65 12000-F S=6F 5010=6/@b5

BL600B-10 RFF=680SOtml/40FFS600-1.0f s/69d02

20615WN400(B)-16RFFM/MP=77

bâ… 30

NB/T47021