CH160206A - Method of making sound recordings. - Google Patents

Method of making sound recordings.

Info

Publication number: CH160206A
Authority: CH; Switzerland
Prior art keywords: sound recordings; making sound; making; recordings; sound
Prior art date: 1930-07-30

Application number

Other languages

German (de)

Inventor

Freund Berthold

Original Assignee

Freund Berthold

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.)

1930-07-30

Filing date

1931-07-20

Publication date

1933-02-28

1931-07-20 Application filed by Freund Berthold filed Critical Freund Berthold

1933-02-28 Publication of CH160206A publication Critical patent/CH160206A/en

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE160206X		1930-07-30

Publications (1)

Publication Number	Publication Date
CH160206A true CH160206A (en)	1933-02-28

Family

ID=5680997

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH160206D CH160206A (en)	1930-07-30	1931-07-20	Method of making sound recordings.

Country Status (1)

Country	Link
CH (1)	CH160206A (en)

1931
- 1931-07-20 CH CH160206D patent/CH160206A/en unknown

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