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ES289358A1
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A procedure for connecting the elements of an electrical accumulator (Machine-translation by Google Translate, not legally binding)
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ES270866A1
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An apparatus for amazing toxic dusts in isolated environment (Machine-translation by Google Translate, not legally binding)
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ES245532A1
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Device to superpose and join by its viscous tissue edges (Machine-translation by Google Translate, not legally binding)
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ES242067A1
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A procedure for sticking skins containing collagen substances (Machine-translation by Google Translate, not legally binding)
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ES236604A3
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A procedure to obtain leather cylinders (Machine-translation by Google Translate, not legally binding)
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ES149454A1
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A procedure to manufacture lead-tetraalquilos
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ES148758A1
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A new procedure to obtain an antidetoning product, for internal combustion engines
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