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DK21917C - Sound filter for sound reproducers. - Google Patents

Sound filter for sound reproducers.

Info

Publication number
DK21917C
DK21917C DK21917DA DK21917C DK 21917 C DK21917 C DK 21917C DK 21917D A DK21917D A DK 21917DA DK 21917 C DK21917 C DK 21917C
Authority
DK
Denmark
Prior art keywords
sound
reproducers
filter
sound filter
sound reproducers
Prior art date
Application number
Other languages
Danish (da)
Inventor
Niels Aug Lilliendahl-Petersen
Frederik Christian Carl Naeser
Original Assignee
Niels Aug Lilliendahl-Petersen
Frederik Christian Carl Naeser
Publication date
Application granted granted Critical
Publication of DK21917C publication Critical patent/DK21917C/en

Links

DK21917D Sound filter for sound reproducers. DK21917C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK21917T

Publications (1)

Publication Number Publication Date
DK21917C true DK21917C (en) 1917-02-19

Family

ID=27836865

Family Applications (1)

Application Number Title Priority Date Filing Date
DK21917D DK21917C (en) Sound filter for sound reproducers.

Country Status (1)

Country Link
DK (1) DK21917C (en)

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