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GB473295A
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Improvements in or relating to power-operated pile-drivers, rammers and the like apparatus
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DE640723C
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Intermediate gearbox on diesel rams to transfer the falling motion of the ram rams to the injection pump
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US2140205A
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Diesel engine
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US2128584A
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Power ram
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DE636192C
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Ram operated as a power machine
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DE636432C
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Pile driver with a piston resting on the pile and a cylinder acting as a pile driver
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DE418366C
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Milling head with drive by flexible shaft and with one handle each in the direction of the tool axis and perpendicular to it
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DE630192C
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Ram operated in the manner of an internal combustion engine
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