DK55353C - Lydtragt. - Google Patents

Lydtragt.

Info

Publication number
DK55353C
DK55353C DK55353DA DK55353C DK 55353 C DK55353 C DK 55353C DK 55353D A DK55353D A DK 55353DA DK 55353 C DK55353 C DK 55353C
Authority
DK
Denmark
Prior art keywords
sound funnel
funnel
sound
Prior art date
Application number
Other languages
English (en)
Inventor
Hertuginde Ni Douglas-Hamilton
Douglas Stuart Spens Steuart
Original Assignee
Hertuginde Ni Douglas-Hamilton
Douglas Stuart Spens Steuart
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 Hertuginde Ni Douglas-Hamilton, Douglas Stuart Spens Steuart filed Critical Hertuginde Ni Douglas-Hamilton
Application granted granted Critical
Publication of DK55353C publication Critical patent/DK55353C/da

Links

DK55353D 1934-12-10 1935-12-09 Lydtragt. DK55353C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB55353X 1934-12-10

Publications (1)

Publication Number Publication Date
DK55353C true DK55353C (da) 1938-10-17

Family

ID=9798019

Family Applications (1)

Application Number Title Priority Date Filing Date
DK55353D DK55353C (da) 1934-12-10 1935-12-09 Lydtragt.

Country Status (1)

Country Link
DK (1) DK55353C (da)

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