DK34969C - Air Acoustic Apparatus. - Google Patents

Air Acoustic Apparatus.

Info

Publication number: DK34969C
Authority: DK; Denmark
Prior art keywords: acoustic apparatus; air acoustic; air; acoustic
Prior art date: 1921-12-20

Application number

Other languages

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.)

1921-12-20

Filing date

1921-12-20

Publication date

1925-09-07

1921-12-20 Application filed by Signalapparatfabrikanterne Sig filed Critical Signalapparatfabrikanterne Sig

1925-09-07 Application granted granted Critical

1925-09-07 Publication of DK34969C publication Critical patent/DK34969C/en

Links

DK34969D 1921-12-20 1921-12-20 Air Acoustic Apparatus. DK34969C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DK34969T		1921-12-20

Publications (1)

Publication Number	Publication Date
DK34969C true DK34969C (en)	1925-09-07

Family

ID=8123557

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK34969D DK34969C (en)	1921-12-20	1921-12-20	Air Acoustic Apparatus.

Country Status (1)

Country	Link
DK (1)	DK34969C (en)

1921
- 1921-12-20 DK DK34969D patent/DK34969C/en active

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