DK23432C - Høretelefon. - Google Patents

Høretelefon.

Info

Publication number
DK23432C
DK23432C DK23432DA DK23432C DK 23432 C DK23432 C DK 23432C DK 23432D A DK23432D A DK 23432DA DK 23432 C DK23432 C DK 23432C
Authority
DK
Denmark
Prior art keywords
headphone
Prior art date
Application number
Other languages
English (en)
Inventor
Eric Magnus Campbel Tigerstedt
Original Assignee
Eric Magnus Campbel Tigerstedt
Publication date
Application granted granted Critical
Publication of DK23432C publication Critical patent/DK23432C/da

Links

DK23432D Høretelefon. DK23432C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK23432T

Publications (1)

Publication Number Publication Date
DK23432C true DK23432C (da) 1918-08-26

Family

ID=27837802

Family Applications (1)

Application Number Title Priority Date Filing Date
DK23432D DK23432C (da) Høretelefon.

Country Status (1)

Country Link
DK (1) DK23432C (da)

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