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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0041069UpriorityCriticalpatent/ES41069Y/en
Publication of ES41069UpublicationCriticalpatent/ES41069U/en
Application grantedgrantedCritical
Publication of ES41069YpublicationCriticalpatent/ES41069Y/en
"Improvements introduced in the spark plugs for engines of explosion", essentially characterized by being able to be disassembled in all its parts. (Machine-translation by Google Translate, not legally binding)
ES0041069U1954-03-181954-03-18
Improved spark plugs for internal combustion engines
ExpiredES41069Y
(en)