CH49343A - Telephon-Sprechtrichter - Google Patents

Telephon-Sprechtrichter

Info

Publication number
CH49343A
CH49343A CH49343A CH49343DA CH49343A CH 49343 A CH49343 A CH 49343A CH 49343 A CH49343 A CH 49343A CH 49343D A CH49343D A CH 49343DA CH 49343 A CH49343 A CH 49343A
Authority
CH
Switzerland
Prior art keywords
horn
telephone
telephone horn
Prior art date
Application number
CH49343A
Other languages
English (en)
Inventor
Herman Foss
Original Assignee
Herman Foss
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 Herman Foss filed Critical Herman Foss
Publication of CH49343A publication Critical patent/CH49343A/de

Links

CH49343A 1909-07-20 1909-07-20 Telephon-Sprechtrichter CH49343A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH49343T 1909-07-20

Publications (1)

Publication Number Publication Date
CH49343A true CH49343A (de) 1911-02-01

Family

ID=4285064

Family Applications (1)

Application Number Title Priority Date Filing Date
CH49343A CH49343A (de) 1909-07-20 1909-07-20 Telephon-Sprechtrichter

Country Status (1)

Country Link
CH (1) CH49343A (de)

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