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Individual
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Individual
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Priority to ES7535ApriorityCriticalpatent/ES7535A2/en
Publication of ES7535A2publicationCriticalpatent/ES7535A2/en
A procedure for the direct transformation without any transfer of negatives and photographic devices, in reliefs, for the use and realization of industrial and artistic objects.
Improvements or refinements carried out in its apparatus for lifting heavy weights that replaces the special spike or lift that is currently used, especially for lifting railways, and also for easily lifting very heavy objects.