GB741929A
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Improvements in and relating to colour television apparatus
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GB703492A
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Improvements in and relating to the sorting of seeds and other small articles
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GB672999A
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Improvements in the sorting of small articles
|
GB670960A
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Improvements in and relating to apparatus for sorting seeds and the like
|
GB667669A
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Improvements in and relating to the sorting of small articles
|
GB652782A
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Improvements in and relating to the sorting of small articles
|
GB642283A
|
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Improvements in and relating to the sorting of small articles
|
GB648257A
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Improvements in or relating to the conversion of electrical signals into luminous images and vice versa
|
GB617276A
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Improvements in or relating to methods and apparatus for sorting small articles such as seeds and the like
|
GB587490A
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Improvements in or relating to thermopiles
|
GB618508A
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Apparatus for converting nuclear energy into electric energy
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US2543331A
|
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Thermopile
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GB588369A
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Improvements in or relating to thermopiles
|
US2519785A
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Thermopile
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GB587360A
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Improvements in or relating to thermopiles
|
GB588375A
|
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A method of utilizing the natural heat of the earth to generate electrical power
|
GB596644A
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Thermo-electric generator
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