[직수입양서]
Hand Book of Calculations for Engineers and Firemen: Relating to the Steam Engine, the Steam Boiler, Pumps, Shafting, Etc. ......
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[직수입양서]
Appleby's Illustrated Handbook of Machinery; Hoisting Machinery, Including Winding Engines, Hydraulic, Steam and Hand Cranes, Winches and Jacks 1877 V
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