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US2015354304A1
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Method and apparatus for thermally actuating and unactuating downhole tools
|
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US2014002089A1
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Power generating communication device
|
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US2013306374A1
|
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Communication system for extended reach wells
|
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GB128158A
|
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Improvements in Shop Blinds and the like.
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GB118761A
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Improvements in or relating to the Furnaces of Steam Boilers.
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GB191422526A
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Improvements in or relating to Thermometers and Apparatus for Indicating Temperatures.
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GB191123285A
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Improvements in Means for Operating and Locking Railway and like Points or Switches.
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GB189619197A
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Improved Fire Escape.
|
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CA363627A
|
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Bagger for chop or grist mills
|
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CA337612A
|
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Anti-glare device
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