JPS539485B2 - - Google Patents

Info

Publication number
JPS539485B2
JPS539485B2 JP3004272A JP3004272A JPS539485B2 JP S539485 B2 JPS539485 B2 JP S539485B2 JP 3004272 A JP3004272 A JP 3004272A JP 3004272 A JP3004272 A JP 3004272A JP S539485 B2 JPS539485 B2 JP S539485B2
Authority
JP
Japan
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
JP3004272A
Other languages
Japanese (ja)
Other versions
JPS4897404A (enrdf_load_stackoverflow
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 filed Critical
Priority to JP3004272A priority Critical patent/JPS539485B2/ja
Publication of JPS4897404A publication Critical patent/JPS4897404A/ja
Publication of JPS539485B2 publication Critical patent/JPS539485B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
JP3004272A 1972-03-25 1972-03-25 Expired JPS539485B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3004272A JPS539485B2 (enrdf_load_stackoverflow) 1972-03-25 1972-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3004272A JPS539485B2 (enrdf_load_stackoverflow) 1972-03-25 1972-03-25

Publications (2)

Publication Number Publication Date
JPS4897404A JPS4897404A (enrdf_load_stackoverflow) 1973-12-12
JPS539485B2 true JPS539485B2 (enrdf_load_stackoverflow) 1978-04-06

Family

ID=12292751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3004272A Expired JPS539485B2 (enrdf_load_stackoverflow) 1972-03-25 1972-03-25

Country Status (1)

Country Link
JP (1) JPS539485B2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204665A (ja) * 1982-05-24 1983-11-29 Secom Co Ltd 回線断線検出警報装置を有する異常通報装置

Also Published As

Publication number Publication date
JPS4897404A (enrdf_load_stackoverflow) 1973-12-12

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