GB191309593A - Improvements in or relating to Telephone Systems. - Google Patents

Improvements in or relating to Telephone Systems.

Info

Publication number
GB191309593A
GB191309593A GB191309593DA GB191309593A GB 191309593 A GB191309593 A GB 191309593A GB 191309593D A GB191309593D A GB 191309593DA GB 191309593 A GB191309593 A GB 191309593A
Authority
GB
United Kingdom
Prior art keywords
relating
telephone systems
telephone
systems
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.)
Automatic Telephone Manufacturing Co Ltd
Original Assignee
Automatic Telephone Manufacturing Co Ltd
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 Automatic Telephone Manufacturing Co Ltd filed Critical Automatic Telephone Manufacturing Co Ltd
Application granted granted Critical
Publication of GB191309593A publication Critical patent/GB191309593A/en
Expired legal-status Critical Current

Links

GB191309593D 1913-04-23 1913-04-23 Improvements in or relating to Telephone Systems. Expired GB191309593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191309593T 1913-04-23

Publications (1)

Publication Number Publication Date
GB191309593A true GB191309593A (en) 1914-04-23

Family

ID=32644414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191309593D Expired GB191309593A (en) 1913-04-23 1913-04-23 Improvements in or relating to Telephone Systems.

Country Status (1)

Country Link
GB (1) GB191309593A (en)

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