NB/T 47065.1  支座 BⅡ 578

BⅡ578

wn10b-40g-115F-25rf500MSrf(A)-=.6f0(B

BL300-10RF8-17==26 s=-0

SO 50(B)-16 RF

BL200-10RFh2645

1 CRF 600-0.6 δs=10RFF16

SO 2"-150 RFF)-400 RF SCF5RF10.9h4R

WN 20-1500 RF/5��

WN450(A)-16 RF S1000-

WN200-300 RF Sch60s)-16 RF3363 Sch40S0