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Hand-guided sweeping machine
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Patent number 4,979,260
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Issue date Dec 25, 1990
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Hako-Werke GmbH
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Heinz Holsten
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Hand-guided sweeping machine
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Patent number 4,974,283
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Issue date Dec 4, 1990
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Hako-Werke GmbH & Co.
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Heinz Holsten
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES