IE15833L - Telephone exchange networks. - Google Patents

Telephone exchange networks.

Info

Publication number: IE15833L
Authority: IE; Ireland
Prior art keywords: telephone exchange; exchange networks; networks; telephone; exchange
Prior art date: 1938-04-13

Application number

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.)

1938-04-13

Filing date

1938-04-13

Publication date

1938-10-17

1938-04-13 Application filed by Siemens Ag filed Critical Siemens Ag

1938-10-17 Publication of IE15833L publication Critical patent/IE15833L/en

Links

IE15833D 1938-04-13 1938-04-13 Telephone exchange networks. IE15833L (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IE15833T		1938-04-13

Publications (1)

Publication Number	Publication Date
IE15833L true IE15833L (en)	1938-10-17

Family

ID=11029338

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IE15833D IE15833L (en)	1938-04-13	1938-04-13	Telephone exchange networks.

Country Status (1)

Country	Link
IE (1)	IE15833L (en)

1938
- 1938-04-13 IE IE15833D patent/IE15833L/en unknown

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