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Individual
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Individual
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Priority to ES218633ApriorityCriticalpatent/ES218633A3/en
Publication of ES218633A3publicationCriticalpatent/ES218633A3/en
Improvements in the mirrors, reflectors and projectors, characterized because they are constituted with the help of a plastic substance resistant to heat and mainly with the help of a superpolyamide, particularly nylon. (Machine-translation by Google Translate, not legally binding)
ES218633A1954-11-251954-11-25Improvements in the reflector and projectors mirrors (Machine-translation by Google Translate, not legally binding)
ExpiredES218633A3
(en)