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Elektrophysikalische Anstalt Bernhard Berghaus
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Elektrophysikalische Anstalt Bernhard Berghaus
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Application filed by Elektrophysikalische Anstalt Bernhard BerghausfiledCriticalElektrophysikalische Anstalt Bernhard Berghaus
Priority to ES0234640ApriorityCriticalpatent/ES234640A1/es
Publication of ES234640A1publicationCriticalpatent/ES234640A1/es
Mejoras en la construcción de tubos o cañones para armas de fuego, caracterizadas por la propiedad de que el rayado a pesar de existir una zona superficial enriquecida de nitrógeno, al continuar los disparos se alisa poco a poco pero queda libre de rajas o de cascarillados visibles sin medios ópticos de aumento.
ES0234640A1957-04-021957-04-02Mejoras en la contruccion de tubos de canones o armas de fuego
ExpiredES234640A1
(es)