CH53855A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number: CH53855A
Authority: CH; Switzerland
Prior art keywords: telephone system; automatic telephone; automatic; telephone
Prior art date: 1909-11-15

Application number

CH53855A

Other languages

German (de)

Inventor

Aktien-Gesellschaft Sie Halske

Original Assignee

Siemens Ag

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.)

1909-11-15

Filing date

1909-11-15

Publication date

1912-04-01

1909-11-15 Application filed by Siemens Ag filed Critical Siemens Ag

1912-04-01 Publication of CH53855A publication Critical patent/CH53855A/en

Links

CH53855A 1909-11-15 1909-11-15 Automatic telephone system CH53855A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH53855T		1909-11-15

Publications (1)

Publication Number	Publication Date
CH53855A true CH53855A (en)	1912-04-01

Family

ID=4292672

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH53855A CH53855A (en)	1909-11-15	1909-11-15	Automatic telephone system

Country Status (1)

Country	Link
CH (1)	CH53855A (en)

1909
- 1909-11-15 CH CH53855A patent/CH53855A/en unknown

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