JPS576855B2 - - Google Patents
Info
- Publication number
- JPS576855B2 JPS576855B2 JP10879377A JP10879377A JPS576855B2 JP S576855 B2 JPS576855 B2 JP S576855B2 JP 10879377 A JP10879377 A JP 10879377A JP 10879377 A JP10879377 A JP 10879377A JP S576855 B2 JPS576855 B2 JP S576855B2
- 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
Links
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10879377A JPS5442901A (en) | 1977-09-12 | 1977-09-12 | Extension circuit control system for key telephone set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10879377A JPS5442901A (en) | 1977-09-12 | 1977-09-12 | Extension circuit control system for key telephone set |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5442901A JPS5442901A (en) | 1979-04-05 |
JPS576855B2 true JPS576855B2 (no) | 1982-02-06 |
Family
ID=14493612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10879377A Granted JPS5442901A (en) | 1977-09-12 | 1977-09-12 | Extension circuit control system for key telephone set |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5442901A (no) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS498106A (no) * | 1972-05-10 | 1974-01-24 | ||
JPS4915083A (no) * | 1972-05-22 | 1974-02-09 |
-
1977
- 1977-09-12 JP JP10879377A patent/JPS5442901A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS498106A (no) * | 1972-05-10 | 1974-01-24 | ||
JPS4915083A (no) * | 1972-05-22 | 1974-02-09 |
Also Published As
Publication number | Publication date |
---|---|
JPS5442901A (en) | 1979-04-05 |