JPS5092004A - - Google Patents
Info
- Publication number
- JPS5092004A JPS5092004A JP13916073A JP13916073A JPS5092004A JP S5092004 A JPS5092004 A JP S5092004A JP 13916073 A JP13916073 A JP 13916073A JP 13916073 A JP13916073 A JP 13916073A JP S5092004 A JPS5092004 A JP S5092004A
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13916073A JPS5092004A (en) | 1973-12-12 | 1973-12-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13916073A JPS5092004A (en) | 1973-12-12 | 1973-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5092004A true JPS5092004A (en) | 1975-07-23 |
Family
ID=15238963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13916073A Pending JPS5092004A (en) | 1973-12-12 | 1973-12-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5092004A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56132851A (en) * | 1980-03-22 | 1981-10-17 | Japanese National Railways<Jnr> | Four-wire monitoring system |
JPS5746567A (en) * | 1980-09-05 | 1982-03-17 | Hitachi Ltd | Multifunction telephone set |
-
1973
- 1973-12-12 JP JP13916073A patent/JPS5092004A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56132851A (en) * | 1980-03-22 | 1981-10-17 | Japanese National Railways<Jnr> | Four-wire monitoring system |
JPS6355267B2 (en) * | 1980-03-22 | 1988-11-01 | Tetsudo Sogo Gijutsu Kenkyusho | |
JPS5746567A (en) * | 1980-09-05 | 1982-03-17 | Hitachi Ltd | Multifunction telephone set |
JPS6216595B2 (en) * | 1980-09-05 | 1987-04-13 | Hitachi Ltd |