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Individual
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Individual
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Priority to ES8531ApriorityCriticalpatent/ES8531A2/en
Publication of ES8531A2publicationCriticalpatent/ES8531A2/en
Improvements introduced in a device that replaces the special fork or press that is currently used, specially for lifting railroad tracks and also for easily lifting heavy objects.
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.