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Individual
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Individual
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Priority to ES0030784UpriorityCriticalpatent/ES30784Y/en
Publication of ES30784UpublicationCriticalpatent/ES30784U/en
Application grantedgrantedCritical
Publication of ES30784YpublicationCriticalpatent/ES30784Y/en
Protective helmet for sports, characterized to be formed by a piece of approximate configuration of spherical cap, made of aluminum or duralumin, which has installed inside a second cap of lower height and composed of two superimposed pieces, being between them and the metallic a free space, that for its aeration are practiced in the metal piece the necessary holes, the two superimposed pieces being cited, one of cork and another of rubber sponge or similar. (Machine-translation by Google Translate, not legally binding)
ES0030784U1952-04-211952-04-21
Protective helmet for sports
ExpiredES30784Y
(en)