NB/T 47065.1  支座 A 2523

2 A2523

WN 4"-150 RF Sch7917

WN50-150RJ A=60.3 B=497F

SO6"-1500SG

LWN15-150 RF H=220 856 R Sc-0-170aw(B81 k=880eamp

WN 50(B)-16 RF2910

BL 450-10 RF2RFSF

47065.3 B6983

WN 50(B)-16 RF4332)-16 RF S=456д│б√б═д│19846 RF0S0.6h4S900 RF