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HU171993B
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Multilayer negative or posive work film, in particular to the production of printed circuits
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HU171106B
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Device for connecting and suspensing dipoles and supply
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DE2501055A1
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Low capacitance electronic telephone switchboard - has call coupling field employing silicon transistors
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CS184825B2
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Device for receiving and change of the time coded inductive double-current signals
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BG25384A3
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A device for binary code sygnal receiving
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ES359017A1
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A procedure for the manufacture of an element in the form of cable. (Machine-translation by Google Translate, not legally binding)
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DE1790215A1
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Process for the production of cable form elements
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