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2020-05-12 |
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Method of constructing a wind tower foundation with pedestal and ribs |
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2020-05-05 |
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2019-12-24 |
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Method of constructing a wind tower foundation |
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2018-04-10 |
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2017-01-03 |
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Foundation with slab, pedestal and ribs for columns and towers |
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2016-05-24 |
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2015-08-04 |
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2014-03-04 |
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Method and apparatus for universal shape cutting of pipes |
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2006-02-28 |
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Method of forming and using laser light columns |
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2004-03-23 |
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Method and apparatus for universal shape cutting of pipes |
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2003-08-05 |
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Method and apparatus for indicating a pattern of intersection using a light column |
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2002-10-29 |