DK7442C - Relais til Lydforstærkning. - Google Patents

Relais til Lydforstærkning.

Info

Publication number
DK7442C
DK7442C DK7442DA DK7442C DK 7442 C DK7442 C DK 7442C DK 7442D A DK7442D A DK 7442DA DK 7442 C DK7442 C DK 7442C
Authority
DK
Denmark
Prior art keywords
relay
sound amplification
amplification
sound
Prior art date
Application number
Other languages
English (en)
Inventor
Jens Hermann Christensen
Original Assignee
Jens Hermann Christensen
Publication date
Application granted granted Critical
Publication of DK7442C publication Critical patent/DK7442C/da

Links

DK7442D Relais til Lydforstærkning. DK7442C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK7442T

Publications (1)

Publication Number Publication Date
DK7442C true DK7442C (da) 1905-04-10

Family

ID=27823673

Family Applications (2)

Application Number Title Priority Date Filing Date
DK7442D DK7442C (da) Relais til Lydforstærkning.
DK7973D DK7973C (da) Relais til Lydforstærkning.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK7973D DK7973C (da) Relais til Lydforstærkning.

Country Status (1)

Country Link
DK (2) DK7973C (da)

Also Published As

Publication number Publication date
DK7973C (da) 1905-11-06

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