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Concrete crushing tongs
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Patent number 5,946,830
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Issue date Sep 7, 1999
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Schilling Ostermeyer Maschinenbau GmbH
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Thomas Ostermeyer
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B28 - WORKING CEMENT, CLAY, OR STONE
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Concrete crushing tongs
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Patent number 5,822,893
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Issue date Oct 20, 1998
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Schilling-Ostermeyer Maschinenbau GmbH
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Thomas Ostermeyer
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B28 - WORKING CEMENT, CLAY, OR STONE
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