CH41788A - Sprechapparat - Google Patents

Sprechapparat

Info

Publication number
CH41788A
CH41788A CH41788A CH41788DA CH41788A CH 41788 A CH41788 A CH 41788A CH 41788 A CH41788 A CH 41788A CH 41788D A CH41788D A CH 41788DA CH 41788 A CH41788 A CH 41788A
Authority
CH
Switzerland
Prior art keywords
intercom
Prior art date
Application number
CH41788A
Other languages
English (en)
Inventor
Dragoumis Dr Emanuel
Original Assignee
Dragoumis Dr Emanuel
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 Dragoumis Dr Emanuel filed Critical Dragoumis Dr Emanuel
Publication of CH41788A publication Critical patent/CH41788A/de

Links

CH41788A 1907-09-25 1907-09-25 Sprechapparat CH41788A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH41788T 1907-09-25

Publications (1)

Publication Number Publication Date
CH41788A true CH41788A (de) 1908-12-01

Family

ID=4271249

Family Applications (1)

Application Number Title Priority Date Filing Date
CH41788A CH41788A (de) 1907-09-25 1907-09-25 Sprechapparat

Country Status (1)

Country Link
CH (1) CH41788A (de)

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