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Individual
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Individual
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Priority to ES0261294ApriorityCriticalpatent/ES261294A1/en
Publication of ES261294A1publicationCriticalpatent/ES261294A1/en
Slide manufacturing process, characterized essentially by the fact that in a first stage of the procedure the photographs are taken in negative with a lens of great angular capacity to include in them a wider horizontal area than that taken with normal lens, but using the same proportion of negative. (Machine-translation by Google Translate, not legally binding)
ES0261294A1960-09-261960-09-26Procedure for manufacturing slides (Machine-translation by Google Translate, not legally binding)
ExpiredES261294A1
(en)