JPS4894307A - - Google Patents
Info
- Publication number
- JPS4894307A JPS4894307A JP2473272A JP2473272A JPS4894307A JP S4894307 A JPS4894307 A JP S4894307A JP 2473272 A JP2473272 A JP 2473272A JP 2473272 A JP2473272 A JP 2473272A JP S4894307 A JPS4894307 A JP S4894307A
- 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.)
- Pending
Links
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2473272A JPS4894307A (en:Method) | 1972-03-13 | 1972-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2473272A JPS4894307A (en:Method) | 1972-03-13 | 1972-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4894307A true JPS4894307A (en:Method) | 1973-12-05 |
Family
ID=12146311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2473272A Pending JPS4894307A (en:Method) | 1972-03-13 | 1972-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4894307A (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5220713A (en) * | 1975-08-11 | 1977-02-16 | Nippon Telegr & Teleph Corp <Ntt> | Terminating call counter per crossbar automatic switchboard subscriber |
| JPS63244957A (ja) * | 1987-03-30 | 1988-10-12 | Nec Corp | 電話番号使用呼数の測定装置 |
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1972
- 1972-03-13 JP JP2473272A patent/JPS4894307A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5220713A (en) * | 1975-08-11 | 1977-02-16 | Nippon Telegr & Teleph Corp <Ntt> | Terminating call counter per crossbar automatic switchboard subscriber |
| JPS63244957A (ja) * | 1987-03-30 | 1988-10-12 | Nec Corp | 電話番号使用呼数の測定装置 |