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CH5978A - Electromagnetic telephone - Google Patents

Electromagnetic telephone

Info

Publication number
CH5978A
CH5978A CH5978A CH5978DA CH5978A CH 5978 A CH5978 A CH 5978A CH 5978 A CH5978 A CH 5978A CH 5978D A CH5978D A CH 5978DA CH 5978 A CH5978 A CH 5978A
Authority
CH
Switzerland
Prior art keywords
electromagnetic telephone
telephone
electromagnetic
Prior art date
Application number
CH5978A
Other languages
German (de)
Inventor
Joseph-Birdus-Smith Booth
Ernest-James Falconer
Original Assignee
Booth Joseph Birdus Smith
Falconer Ernest James
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Booth Joseph Birdus Smith, Falconer Ernest James filed Critical Booth Joseph Birdus Smith
Publication of CH5978A publication Critical patent/CH5978A/en

Links

CH5978A 1892-12-29 1892-12-29 Electromagnetic telephone CH5978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5978T 1892-12-29

Publications (1)

Publication Number Publication Date
CH5978A true CH5978A (en) 1893-05-31

Family

ID=4190670

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5978A CH5978A (en) 1892-12-29 1892-12-29 Electromagnetic telephone

Country Status (1)

Country Link
CH (1) CH5978A (en)

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