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Selected Works of Edmund Wigan
Other
Improvements relating to Telephone Circuits
(1932)
  • Edmund Ramsay Wigan, Siemens
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Abstract
Patent Application GB372400A, in the Name of Siemens
Disciplines
Publication Date
Spring May 9, 1932
Citation Information
Edmund Ramsay Wigan. "Improvements relating to Telephone Circuits" (1932)
Available at: http://works.bepress.com/edmund-wigan/30/