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Expired
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Sidney George Brown
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Individual
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Individual
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Publication of GB190310667ApublicationCriticalpatent/GB190310667A/en
10,667. Brown, S. G. May 11. Drawings to Specification. Telegraphs.-When using a special cable having a magnetic covering for duplexing purposes, the artificial line is made similar in every electrical respect to the cable.
GB190310667D1903-05-111903-05-11Improvements relating to Electric Conductors or Cables
ExpiredGB190310667A
(en)