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2019
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Invention
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Pass blocking apparatus. A pass blocking apparatus includes a mechanism for permitting the intent... |
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2005
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Invention
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Lifting pole apparatus for traffic control. There is provided a lifting pole apparatus which can ... |
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1996
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Invention
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Apparatus for determining properties of slurry materials and sludge treating process. The present... |
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Invention
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Process and apparatus for filtrate measurement. A sampling cylinder 3 is attached to a proc... |
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Invention
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Process and apparatus for filtrate measurement. A sampling cylinder 3 is attached to a process pi... |
