DK58974C - Lydabsorptionsplade. - Google Patents

Lydabsorptionsplade.

Info

Publication number
DK58974C
DK58974C DK58974DA DK58974C DK 58974 C DK58974 C DK 58974C DK 58974D A DK58974D A DK 58974DA DK 58974 C DK58974 C DK 58974C
Authority
DK
Denmark
Prior art keywords
sound absorption
absorption plate
plate
sound
absorption
Prior art date
Application number
Other languages
English (en)
Inventor
Paul Henning Pers
Original Assignee
Paul Henning Pers
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 Paul Henning Pers filed Critical Paul Henning Pers
Application granted granted Critical
Publication of DK58974C publication Critical patent/DK58974C/da

Links

DK58974D 1939-10-02 1939-10-02 Lydabsorptionsplade. DK58974C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK58974T 1939-10-02

Publications (1)

Publication Number Publication Date
DK58974C true DK58974C (da) 1941-08-25

Family

ID=8146009

Family Applications (1)

Application Number Title Priority Date Filing Date
DK58974D DK58974C (da) 1939-10-02 1939-10-02 Lydabsorptionsplade.

Country Status (1)

Country Link
DK (1) DK58974C (da)

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