AT90331B - Telephonische Schalldose für Diktierphonographen, Telephonographen und ähnliehe Apparate. - Google Patents

Telephonische Schalldose für Diktierphonographen, Telephonographen und ähnliehe Apparate.

Info

Publication number
AT90331B
AT90331B AT90331DA AT90331B AT 90331 B AT90331 B AT 90331B AT 90331D A AT90331D A AT 90331DA AT 90331 B AT90331 B AT 90331B
Authority
AT
Austria
Prior art keywords
telephonographs
phonographs
dictation
sound box
similar apparatus
Prior art date
Application number
Other languages
English (en)
Original Assignee
Naamlooze Vennootschap Financi
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 Naamlooze Vennootschap Financi filed Critical Naamlooze Vennootschap Financi
Application granted granted Critical
Publication of AT90331B publication Critical patent/AT90331B/de

Links

AT90331D 1920-01-10 1920-11-16 Telephonische Schalldose für Diktierphonographen, Telephonographen und ähnliehe Apparate. AT90331B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE90331X 1920-01-10

Publications (1)

Publication Number Publication Date
AT90331B true AT90331B (de) 1922-12-11

Family

ID=5643174

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90331D AT90331B (de) 1920-01-10 1920-11-16 Telephonische Schalldose für Diktierphonographen, Telephonographen und ähnliehe Apparate.

Country Status (1)

Country Link
AT (1) AT90331B (de)

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