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ES248650A1
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A procedure and a device for the agitation of a liquid in a deposit or recipient (Machine-translation by Google Translate, not legally binding)
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ES246971A1
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A device of tap-filter particularly for agricultural sprayers (Machine-translation by Google Translate, not legally binding)
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ES245803A1
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Procedure for the manufacture of convergent nozzles of estreptomycin (Machine-translation by Google Translate, not legally binding)
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FR74383E
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Improvements to diaphragm pumps
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ES244893A1
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A liquid spray device (Machine-translation by Google Translate, not legally binding)
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ES244894A1
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A membrane pump, especially for agricultural machines (Machine-translation by Google Translate, not legally binding)
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FR1191302A
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Improvements to diaphragm pumps
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FR64879E
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Improvements to diaphragm pumps, especially for agricultural machinery
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