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Jean Aldigier
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Individual
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Individual
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Publication of GB190704667ApublicationCriticalpatent/GB190704667A/en
4667. Aldigier, J. Feb. 26. Gas and like engines, igniting in. The electrodes of sparking-plugs having a circular head a and stem b are stamped from nickel sheets coated with platinum c.
GB190704667D1907-02-261907-02-26An Improved Electrode for Sparking Plugs.
ExpiredGB190704667A
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