CH60213A - Loudspeaker telephone - Google Patents

Loudspeaker telephone

Info

Publication number
CH60213A
CH60213A CH60213A CH60213DA CH60213A CH 60213 A CH60213 A CH 60213A CH 60213 A CH60213 A CH 60213A CH 60213D A CH60213D A CH 60213DA CH 60213 A CH60213 A CH 60213A
Authority
CH
Switzerland
Prior art keywords
loudspeaker telephone
loudspeaker
telephone
Prior art date
Application number
CH60213A
Other languages
German (de)
Inventor
Co Bell Telephon Manufacturing
Original Assignee
Bell Telephone Mfg
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 Bell Telephone Mfg filed Critical Bell Telephone Mfg
Publication of CH60213A publication Critical patent/CH60213A/en

Links

CH60213A 1912-03-14 1912-03-14 Loudspeaker telephone CH60213A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH60213T 1912-03-14

Publications (1)

Publication Number Publication Date
CH60213A true CH60213A (en) 1913-07-01

Family

ID=4302923

Family Applications (1)

Application Number Title Priority Date Filing Date
CH60213A CH60213A (en) 1912-03-14 1912-03-14 Loudspeaker telephone

Country Status (1)

Country Link
CH (1) CH60213A (en)

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