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ES360888A3
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Procedure for the manufacture of a printed circuit with the help of tape conductors. (Machine-translation by Google Translate, not legally binding)
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US3514356A
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Method of manufacturing a printed circuit
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GB450230A
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A new or improved electric insulating material
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GB340991A
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Stiff paper, linen, silk, or like sheets metallised on one or both sides and a method for their manufacture
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GB316245A
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Method of shaping flat braided hose and the like
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GB219975A
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Improvements in automatic clutches
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US1529215A
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Screw press
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GB218664A
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Improvements in friction screw presses
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