DK29755C - Highly attenuated sound device. - Google Patents

Highly attenuated sound device.

Info

Publication number
DK29755C
DK29755C DK29755DA DK29755C DK 29755 C DK29755 C DK 29755C DK 29755D A DK29755D A DK 29755DA DK 29755 C DK29755 C DK 29755C
Authority
DK
Denmark
Prior art keywords
sound device
highly attenuated
attenuated sound
highly
sound
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 DK29755C publication Critical patent/DK29755C/en

Links

DK29755D 1915-11-29 1920-08-28 Highly attenuated sound device. DK29755C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29755X 1915-11-29

Publications (1)

Publication Number Publication Date
DK29755C true DK29755C (en) 1922-06-19

Family

ID=5621800

Family Applications (1)

Application Number Title Priority Date Filing Date
DK29755D DK29755C (en) 1915-11-29 1920-08-28 Highly attenuated sound device.

Country Status (1)

Country Link
DK (1) DK29755C (en)

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