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LIVE S A
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LIVE S A
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Priority to ES0042436UpriorityCriticalpatent/ES42436U/en
Publication of ES42436UpublicationCriticalpatent/ES42436U/en
A new perfected total reflection apparatus, characterized by being constituted by the set of several elementary catºptricos formed by a regular triangular pyramid of glass or glass, in which its angle left from the vertex is a tri-rectangle trihedral ie formed by three dihedrals of 90º which act as an investment prism by means of two total reflections returning the reflected ray in a direction parallel to the incident. (Machine-translation by Google Translate, not legally binding)
ES0042436U1954-06-081954-06-08A new apparatus of total reflection perfected (Machine-translation by Google Translate, not legally binding)
PendingES42436U
(en)
Improvements in autographic resetting photogrammetric apparatus based on the deville principle (Machine-translation by Google Translate, not legally binding)