NB/T 47065.1  支座 BⅠ 6556

BI 6556

3 B4762

LWN 25-150 RF H=1368

bi 3721

47023 CFM1500-48/M S=4.5RF s

TH 4"-900 LG-300 RF2u00c4 rf 1J 90ESRFC-RⅡF5 RJcM�6SCHF

5 CT 500-0.620δ0=6 R

WN 400-150 RF Sch40S

47023FM1100-1.62440009WN2F16RF0r0F

WN 89-150 RF0RF-R@4п07023p Sch40