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GB103173A - Improvements in Telephone Systems. - Google Patents

Improvements in Telephone Systems.

Info

Publication number
GB103173A
GB103173A GB87616A GB87616A GB103173A GB 103173 A GB103173 A GB 103173A GB 87616 A GB87616 A GB 87616A GB 87616 A GB87616 A GB 87616A GB 103173 A GB103173 A GB 103173A
Authority
GB
United Kingdom
Prior art keywords
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
GB87616A
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.)
Relay Automatic Telephone Company Ltd
Original Assignee
Relay Automatic Telephone Company 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 Relay Automatic Telephone Company Ltd filed Critical Relay Automatic Telephone Company Ltd
Priority to GB87616A priority Critical patent/GB103173A/en
Publication of GB103173A publication Critical patent/GB103173A/en
Expired legal-status Critical Current

Links

GB87616A 1916-01-19 1916-01-19 Improvements in Telephone Systems. Expired GB103173A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB87616A GB103173A (en) 1916-01-19 1916-01-19 Improvements in Telephone Systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB87616A GB103173A (en) 1916-01-19 1916-01-19 Improvements in Telephone Systems.

Publications (1)

Publication Number Publication Date
GB103173A true GB103173A (en) 1917-01-18

Family

ID=32242851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB87616A Expired GB103173A (en) 1916-01-19 1916-01-19 Improvements in Telephone Systems.

Country Status (1)

Country Link
GB (1) GB103173A (en)

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