GB191303132A - Improvements in Circuit Arrangements for Telephone Exchanges. - Google Patents

Improvements in Circuit Arrangements for Telephone Exchanges.

Info

Publication number
GB191303132A
GB191303132A GB191303132DA GB191303132A GB 191303132 A GB191303132 A GB 191303132A GB 191303132D A GB191303132D A GB 191303132DA GB 191303132 A GB191303132 A GB 191303132A
Authority
GB
United Kingdom
Prior art keywords
circuit arrangements
telephone exchanges
exchanges
telephone
arrangements
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
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.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of GB191303132A publication Critical patent/GB191303132A/en
Expired legal-status Critical Current

Links

GB191303132D 1912-02-06 1913-02-06 Improvements in Circuit Arrangements for Telephone Exchanges. Expired GB191303132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191303132X 1912-02-06

Publications (1)

Publication Number Publication Date
GB191303132A true GB191303132A (en) 1913-10-23

Family

ID=35253587

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191303132D Expired GB191303132A (en) 1912-02-06 1913-02-06 Improvements in Circuit Arrangements for Telephone Exchanges.

Country Status (1)

Country Link
GB (1) GB191303132A (en)

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