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Publication of JPS4994052ApublicationCriticalpatent/JPS4994052A/ja
Publication of JPS5632239B2publicationCriticalpatent/JPS5632239B2/ja
B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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Life Sciences & Earth Sciences
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Engineering & Computer Science
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Geology
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Mechanical Engineering
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Structural Engineering
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Carriers, Traveling Bodies, And Overhead Traveling Cranes
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