JPS4991318U - - Google Patents
Info
- Publication number
- JPS4991318U JPS4991318U JP13555872U JP13555872U JPS4991318U JP S4991318 U JPS4991318 U JP S4991318U JP 13555872 U JP13555872 U JP 13555872U JP 13555872 U JP13555872 U JP 13555872U JP S4991318 U JPS4991318 U JP S4991318U
- 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.)
- Granted
Links
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13555872U JPS5223307Y2 (en:Method) | 1972-11-25 | 1972-11-25 | |
| DE19732335959 DE2335959A1 (de) | 1972-07-17 | 1973-07-14 | Automatische telefon-ueberwachungsanlage |
| GB3380973A GB1416966A (en) | 1972-07-17 | 1973-07-16 | Recording and reproducing system for a telephone monitoring system |
| US05/549,032 US3967068A (en) | 1972-07-17 | 1975-02-11 | Automatic telephone monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13555872U JPS5223307Y2 (en:Method) | 1972-11-25 | 1972-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4991318U true JPS4991318U (en:Method) | 1974-08-07 |
| JPS5223307Y2 JPS5223307Y2 (en:Method) | 1977-05-27 |
Family
ID=28404363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13555872U Expired JPS5223307Y2 (en:Method) | 1972-07-17 | 1972-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5223307Y2 (en:Method) |
-
1972
- 1972-11-25 JP JP13555872U patent/JPS5223307Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5223307Y2 (en:Method) | 1977-05-27 |