NB/T 47065.1  支座 A 2795

2 A2795

DN200-PN2.5 WN RF Ⅱ S=6

47021 rf400-1.0 î´0B)-HRF B/0rf894-1)-662-600R

PL 500(B)-6 RFf0(B)c0F T RF Sch

5 CM 2200-1.620δ0=18

BI 350 h=2/RF0RFn100-1

bii 4762

BL 450-6 RF)-=-150 RF3-16 RF0S AA=143 L=23 Cn350-

SO65(B)-10RF/u00c2/uS356-f s s1