Derniers inventions, produits et services
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2010
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Invention
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Sewage treatment system of sewer pipe. [Problem] To provide a sewage treatment system of a sewer ... |
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2009
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Invention
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Contaminated water treatment device. The issue is to provide a contaminated water treatment devic... |
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2002
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Invention
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Sewage treatment apparatus. 2 by the action of aerobic microbes and the air (oxygen) supplied fro... |
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2000
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Invention
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Sewage treatment apparatus. A sewage treatment apparatus, wherein a solid material (38) having be... |
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