SU32381A1 - Акустическое сигнальное приспособление - Google Patents

Акустическое сигнальное приспособление

Info

Publication number: SU32381A1
Authority: SU; USSR - Soviet Union
Prior art keywords: signaling device; acoustic signaling; acoustic; spark; type
Prior art date: 1932-12-31

Application number

SU121272A

Other languages

English (en)

Inventor

И.И. Ленке

Original Assignee

И.И. Ленке

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.)

1932-12-31

Filing date

1932-12-31

Publication date

1933-09-30

1932-12-31 Application filed by И.И. Ленке filed Critical И.И. Ленке

1932-12-31 Priority to SU121272A priority Critical patent/SU32381A1/ru

1933-09-30 Application granted granted Critical

1933-09-30 Publication of SU32381A1 publication Critical patent/SU32381A1/ru

Landscapes

Interface Circuits In Exchanges (AREA)

Description

568

Тип. «Искра

SU121272A 1932-12-31 1932-12-31 Акустическое сигнальное приспособление SU32381A1 (ru)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
SU121272A SU32381A1 (ru)	1932-12-31	1932-12-31	Акустическое сигнальное приспособление

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SU121272A SU32381A1 (ru)	1932-12-31	1932-12-31	Акустическое сигнальное приспособление

Publications (1)

Publication Number	Publication Date
SU32381A1 true SU32381A1 (ru)	1933-09-30

Family

ID=48349561

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SU121272A SU32381A1 (ru)	1932-12-31	1932-12-31	Акустическое сигнальное приспособление

Country Status (1)

Country	Link
SU (1)	SU32381A1 (ru)

1932
- 1932-12-31 SU SU121272A patent/SU32381A1/ru active

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