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Plate manufacturing process with reliefs
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Condenser
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Laminate with metallized polyester and paper for use in microwave ovens
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Packaging for packing rolls of paper, with cutter
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Pressure regulating valve for presure cooker
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Container for preparing food preservation
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Safety device applicable in pressure pans
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Pressure pot perfecting
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Improvement in device for closing packages
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Improvement in device for closing disposable packages
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Process for washing aluminum sheet in windows
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Improvement in support for paper roll
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Oven template
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Safety device for pressure pans
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Closing head
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Layer indicator device and quantity of wired cables in coils
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Device for closing packages
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