Derniers inventions, produits et services
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2017
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Invention
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Flow control valve. The present invention comprises: a valve body installed between pipes and hav... |
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2016
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Invention
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Line blind valve. A line blind valve installed between pipes to open or block a pipeline, in whic... |
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2015
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Invention
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Line blind valve. The purpose of the present invention is to provide a line blind valve which can... |
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2013
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Invention
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Gateway valve. The present invention relates to a gateway valve provided to a pipe in which a flu... |
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