ES166874A1 - IMPROVEMENTS INTRODUCED IN TELEPHONE PLANT SYSTEMS - Google Patents

IMPROVEMENTS INTRODUCED IN TELEPHONE PLANT SYSTEMS

Info

Publication number
ES166874A1
ES166874A1 ES166874A ES166874A ES166874A1 ES 166874 A1 ES166874 A1 ES 166874A1 ES 166874 A ES166874 A ES 166874A ES 166874 A ES166874 A ES 166874A ES 166874 A1 ES166874 A1 ES 166874A1
Authority
ES
Spain
Prior art keywords
improvements introduced
plant systems
telephone plant
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
ES166874A
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.)
International Standard Electric Corp
STANDARD ELECTRIC CORP
Original Assignee
International Standard Electric Corp
STANDARD ELECTRIC 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 International Standard Electric Corp, STANDARD ELECTRIC CORP filed Critical International Standard Electric Corp
Priority to ES166874A priority Critical patent/ES166874A1/en
Publication of ES166874A1 publication Critical patent/ES166874A1/en
Expired legal-status Critical Current

Links

ES166874A 1944-07-14 1944-07-14 IMPROVEMENTS INTRODUCED IN TELEPHONE PLANT SYSTEMS Expired ES166874A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES166874A ES166874A1 (en) 1944-07-14 1944-07-14 IMPROVEMENTS INTRODUCED IN TELEPHONE PLANT SYSTEMS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES166874A ES166874A1 (en) 1944-07-14 1944-07-14 IMPROVEMENTS INTRODUCED IN TELEPHONE PLANT SYSTEMS

Publications (1)

Publication Number Publication Date
ES166874A1 true ES166874A1 (en) 1944-10-01

Family

ID=65645350

Family Applications (1)

Application Number Title Priority Date Filing Date
ES166874A Expired ES166874A1 (en) 1944-07-14 1944-07-14 IMPROVEMENTS INTRODUCED IN TELEPHONE PLANT SYSTEMS

Country Status (1)

Country Link
ES (1) ES166874A1 (en)

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