DK21072C - Mikrofon. - Google Patents

Mikrofon.

Info

Publication number
DK21072C
DK21072C DK21072DA DK21072C DK 21072 C DK21072 C DK 21072C DK 21072D A DK21072D A DK 21072DA DK 21072 C DK21072 C DK 21072C
Authority
DK
Denmark
Prior art keywords
microphone
Prior art date
Application number
Other languages
English (en)
Inventor
Eric Magnus Campbel Tigerstedt
Original Assignee
Eric Magnus Campbel Tigerstedt
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.)
Publication date
Application granted granted Critical
Publication of DK21072C publication Critical patent/DK21072C/da

Links

DK21072D 1914-04-09 Mikrofon. DK21072C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE21072X 1914-04-09

Publications (1)

Publication Number Publication Date
DK21072C true DK21072C (da) 1916-03-06

Family

ID=27815174

Family Applications (1)

Application Number Title Priority Date Filing Date
DK21072D DK21072C (da) 1914-04-09 Mikrofon.

Country Status (1)

Country Link
DK (1) DK21072C (da)

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