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Individual
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Individual
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Priority to ES909ApriorityCriticalpatent/ES909A1/en
Publication of ES909A1publicationCriticalpatent/ES909A1/en
Instrument to find instantly and without calculation, the equivalences between the measurements of the metric system and the old ones and their values.
Improvements in the production of motive force, coming from carbon disulfide or its compounds, with the devices used for this purpose, and using said force.