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Dynamit Nobel AG
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Dynamit Nobel AG
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Publication of ES216648A1publicationCriticalpatent/ES216648A1/en
Electric safety detonator device, in which the ignition is performed by thermal radiation, characterized in that the glow wire of the detonator is molybdenum, wolfram or graphite. (Machine-translation by Google Translate, not legally binding)
ES0216648A1953-08-041954-07-22An electrical detonator device for safety (Machine-translation by Google Translate, not legally binding)
ExpiredES216648A1
(en)