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Tower for a wind power station
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Patent number 9,328,528
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Issue date May 3, 2016
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Timber Tower GmbH
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Prass Gregor
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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3462907
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Patent number 3,462,907
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Issue date Aug 26, 1969
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E04 - BUILDING
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1511145
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Patent number 1,511,145
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Issue date Oct 7, 1924
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E04 - BUILDING
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1250167
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Patent number 1,250,167
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Issue date Dec 18, 1917
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E04 - BUILDING