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Expired
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Theodor Lutz
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Individual
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Individual
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Publication of GB190808887ApublicationCriticalpatent/GB190808887A/en
8887. Lutz, T. April 23. Telephones.-A w i r e - gauze basket 3 containing disinfectant is provided with a ring engaging with the turned-over spring edge of the cover 2, which can be swung into the mouthpiece when the telephone is not in use.
GB190808887D1908-04-231908-04-23Improvements in Apparatus for Disinfecting Telephones.
ExpiredGB190808887A
(en)