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Spool
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Patent number D654981
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Issue date Feb 28, 2012
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Häfner & Krullmann GmbH
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Jan Häfner
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D22 - Arms, pyrotechnics, hunting and fishing equipment
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Connecting system
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Patent number 7,614,582
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Issue date Nov 10, 2009
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Häfner & Krullmann GmbH
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Manfred Häfner
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Container for convoluted wire or the like
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Patent number 4,213,536
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Issue date Jul 22, 1980
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Hafner & Krullmann GmbH
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Manfred Hafner
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL