NB/T 47065.1  支座 BⅠ 12687

BI 12687

WN 800(B)-10 RF S=10

WN80(B)-16 RF3415

2 A6057

WN 80(B)-10 FM S=8S=4 RF-150RF0S/

DN50-PN25 BL RF Ⅱ

DN1000/PN16/01A

WN25-300RF SCH40404.95-40rfwn@1155

WN 600-300 RF S=10

WN50(B)-40 RF SCH400/u00apampampaRF0 rfl=2=5.150s16 WN RF Ⅱ Sch40S90