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DE1244034B
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Mobile concrete preparation plant
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Tilting device for a tilting drum mixer
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Assembly device for tower cranes
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Mixing machine for building materials, especially pan mixer
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Height-adjustable tower crane, especially high-rise crane
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DE1109340B
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Telescoping device for tower cranes
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Concrete mixer
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Method for lengthening rigid, non-rotating building crane masts by installing intermediate pieces
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DE862391C
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Locking device for the tilting drum, especially of mixing machines
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DE835510C
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Electrical overload protection for cranes
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