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Individual
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Individual
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Priority to ES61801ApriorityCriticalpatent/ES61801A1/en
Publication of ES61801A1publicationCriticalpatent/ES61801A1/en
ES61801A1916-02-231916-02-23
Improvements introduced in the cams especially in those used to actuate the valves of the explosion engines.
ExpiredES61801A1
(en)
A procedure for the application of tungsten and similar metals, in substitution of platinum, to the contacts of the switches of the magnets for the ignition of combustion engines.