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US2757319A
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Wiring assembly for fixed and removable components
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Manufacturing method for complex electrical and wireless apparatus
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GB661989A
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Improvements in and relating to a method of manufacturing preformed electrical circuits and circuits produced thereby
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Variable electric condenser assembly with multiple units for key-board operation
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Variable electric condenser with multiple units for key-board operation
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Improvements in grid controls for thermionic electric valves
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GB301290A
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Improvements in grid controls for thermionic electric valves
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GB208204A
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Improvements in electric soldering apparatus for soldering thin steel bands such as band saws and the like
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