AT75560B - Telephonschaltsystem. - Google Patents

Telephonschaltsystem.

Info

Publication number: AT75560B
Authority: AT; Austria
Prior art keywords: switching system; telephone switching; telephone; switching
Prior art date: 1914-12-19

Application number

Other languages

Original Assignee

Zwietusch E & Co Gmbh

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.)

1914-12-19

Filing date

1915-12-16

Publication date

1919-02-25

1915-12-16 Application filed by Zwietusch E & Co Gmbh filed Critical Zwietusch E & Co Gmbh

1919-02-25 Application granted granted Critical

1919-02-25 Publication of AT75560B publication Critical patent/AT75560B/de

Links

AT75560D 1914-12-19 1915-12-16 Telephonschaltsystem. AT75560B (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US75560XA	1914-12-19	1914-12-19

Publications (1)

Publication Number	Publication Date
AT75560B true AT75560B (de)	1919-02-25

Family

ID=21726877

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT75560D AT75560B (de)	1914-12-19	1915-12-16	Telephonschaltsystem.

Country Status (1)

Country	Link
AT (1)	AT75560B (de)

1915
- 1915-12-16 AT AT75560D patent/AT75560B/de active

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