DK37820C - Lydgengiveapparat. - Google Patents

Lydgengiveapparat.

Info

Publication number
DK37820C
DK37820C DK37820DA DK37820C DK 37820 C DK37820 C DK 37820C DK 37820D A DK37820D A DK 37820DA DK 37820 C DK37820 C DK 37820C
Authority
DK
Denmark
Prior art keywords
reproducing apparatus
sound reproducing
sound
reproducing
Prior art date
Application number
Other languages
English (en)
Inventor
Lee De Forest
Original Assignee
Lee De Forest
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 Lee De Forest filed Critical Lee De Forest
Application granted granted Critical
Publication of DK37820C publication Critical patent/DK37820C/da

Links

DK37820D 1925-01-15 1925-11-03 Lydgengiveapparat. DK37820C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37820XA 1925-01-15 1925-01-15

Publications (1)

Publication Number Publication Date
DK37820C true DK37820C (da) 1927-08-15

Family

ID=21707572

Family Applications (1)

Application Number Title Priority Date Filing Date
DK37820D DK37820C (da) 1925-01-15 1925-11-03 Lydgengiveapparat.

Country Status (1)

Country Link
DK (1) DK37820C (da)

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