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Individual
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Individual
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Priority to ES0297649ApriorityCriticalpatent/ES297649A1/en
Publication of ES297649A1publicationCriticalpatent/ES297649A1/en
Improvements in the securing means for bolts, which are characterized by understanding as a fundamental feature the existence of a bolt composed of two sections in its stem, of which the first or immediate to the head, has a larger section or diameter, while that the second and extreme, besides being smaller in length, is also smaller in diameter, at the same time that the thread direction of its thread is inverse to that of the thread of the previous zone. (Machine-translation by Google Translate, not legally binding)
ES0297649A1964-03-141964-03-14Improvements in the binding means for bolts (Machine-translation by Google Translate, not legally binding)
ExpiredES297649A1
(en)