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Process for the production of decorative sheets of copper or copper alloy and product obtained
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Copper fire refining process
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Improvements in dam-blocks for continuous metal casting
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Tubes for condensers or heat exchangers of corrosion resistant copper alloys and method for the production thereof
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Method of making corrosion resistant phosphorous copper or phosphorous copper alloy pipes
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Improvements on shore blocks for continuous casting of copper bars
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Device for capturing energy from solar radiation
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Method for manufacturing tubes, tubes obtained by this process and their use in condensers and heat exchangers
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Sanitary tubes of phosphoruex copper or corrosion-resistant phosphorus copper alloys and process for their production
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Solar collectors
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Copper refining reverberatory furnace with three-layer base - with cells or blowers to distribute refining gases to the copper in the furnace
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Method of cleaning the internal surfaces of copper tubes
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Method of producing die-stamped articles
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PROCESS FOR MANUFACTURING COINS
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Removing drawing lubricants from copper tubes before annealing - by alternately blowing into the bores a degreasant and steam
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CONNECTOR FOR PIPES MADE OF STAINLESS STEEL
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ELECTRICAL LINE
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