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DK35275C - Air Acoustic Apparatus for the Transfer of Sound Energy. - Google Patents

Air Acoustic Apparatus for the Transfer of Sound Energy.

Info

Publication number
DK35275C
DK35275C DK35275DA DK35275C DK 35275 C DK35275 C DK 35275C DK 35275D A DK35275D A DK 35275DA DK 35275 C DK35275 C DK 35275C
Authority
DK
Denmark
Prior art keywords
transfer
sound energy
acoustic apparatus
air acoustic
air
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Signalapparatfabrikanterne Sig
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 Signalapparatfabrikanterne Sig filed Critical Signalapparatfabrikanterne Sig
Application granted granted Critical
Publication of DK35275C publication Critical patent/DK35275C/en

Links

DK35275D 1921-12-20 1921-12-20 Air Acoustic Apparatus for the Transfer of Sound Energy. DK35275C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK35275T 1921-12-20

Publications (1)

Publication Number Publication Date
DK35275C true DK35275C (en) 1925-11-16

Family

ID=8123909

Family Applications (1)

Application Number Title Priority Date Filing Date
DK35275D DK35275C (en) 1921-12-20 1921-12-20 Air Acoustic Apparatus for the Transfer of Sound Energy.

Country Status (1)

Country Link
DK (1) DK35275C (en)

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