Elevators : electric and electrohydraulic elevators, escalators, moving sidewalks, and ramps
Annett, F.A.
Elevators : electric and electrohydraulic elevators, escalators, moving sidewalks, and ramps - 3rd ed - New York McGraw-Hill, 1960 - xi,388 p. 23 cm - .
6
Elevators
621.867 Ann
Elevators : electric and electrohydraulic elevators, escalators, moving sidewalks, and ramps - 3rd ed - New York McGraw-Hill, 1960 - xi,388 p. 23 cm - .
6
Elevators
621.867 Ann