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ES97175A1 - Improvements in telephone systems. - Google Patents

Improvements in telephone systems.

Info

Publication number
ES97175A1
ES97175A1 ES97175A ES97175A ES97175A1 ES 97175 A1 ES97175 A1 ES 97175A1 ES 97175 A ES97175 A ES 97175A ES 97175 A ES97175 A ES 97175A ES 97175 A1 ES97175 A1 ES 97175A1
Authority
ES
Spain
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
ES97175A
Other languages
Spanish (es)
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 Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Corp filed Critical Siemens and Halske AG
Priority to ES97175A priority Critical patent/ES97175A1/en
Publication of ES97175A1 publication Critical patent/ES97175A1/en
Expired legal-status Critical Current

Links

ES97175A 1926-03-05 1926-03-05 Improvements in telephone systems. Expired ES97175A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES97175A ES97175A1 (en) 1926-03-05 1926-03-05 Improvements in telephone systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES97175A ES97175A1 (en) 1926-03-05 1926-03-05 Improvements in telephone systems.

Publications (1)

Publication Number Publication Date
ES97175A1 true ES97175A1 (en) 1926-06-16

Family

ID=64265521

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97175A Expired ES97175A1 (en) 1926-03-05 1926-03-05 Improvements in telephone systems.

Country Status (1)

Country Link
ES (1) ES97175A1 (en)

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