System for welding a package of layers and sheets of pre-preg, in a hot press, to form an electronic multi-layer printed circuit
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Safety panel for high-efficiency heating by electricity
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Three stage process for the preparation of solid thermoplastic compositions based on polyvinyl alcohol and stamped and extruded compositions thus obtained.
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Process for making plastic laminates with metal laminae for printed circuits especially, with endothermic heating
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Process for manufacture by endothermic heating of plastic laminates in a continuous band pressed in cycles
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Automatic machine for assembling piles of packages, including copper laminae, to make plastic laminates from bands arranged serpentinewise
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System for Automatically Connecting a Source of Eletric Current to Laminates in a Press
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Process for the production of plastic laminates with metal laminae especially for printed circuits made from endless...
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Process for making plastic laminates with metal laminae for printed circuits especially, with endothermic heating
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Process for producing plastic laminates from continuously fed bands
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Process for producing plastic laminates with metal laminae, especially for printing circuits
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Machines for automatic removal of protective film from boards for making printed circuits
