JPS5438003B2 - - Google Patents
Info
- Publication number
- JPS5438003B2 JPS5438003B2 JP10550076A JP10550076A JPS5438003B2 JP S5438003 B2 JPS5438003 B2 JP S5438003B2 JP 10550076 A JP10550076 A JP 10550076A JP 10550076 A JP10550076 A JP 10550076A JP S5438003 B2 JPS5438003 B2 JP S5438003B2
- 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 |
|---|---|---|---|
| JP10550076A JPS5330802A (en) | 1976-09-03 | 1976-09-03 | Key telephone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10550076A JPS5330802A (en) | 1976-09-03 | 1976-09-03 | Key telephone system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5330802A JPS5330802A (en) | 1978-03-23 |
| JPS5438003B2 true JPS5438003B2 (cs) | 1979-11-19 |
Family
ID=14409311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10550076A Granted JPS5330802A (en) | 1976-09-03 | 1976-09-03 | Key telephone system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5330802A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56161755A (en) * | 1980-05-16 | 1981-12-12 | Iwatsu Electric Co Ltd | Power supply system for key telephone set |
| JPS5846757A (ja) * | 1981-09-16 | 1983-03-18 | Iwatsu Electric Co Ltd | ドアホン通話方式 |
| US12421109B2 (en) | 2022-11-21 | 2025-09-23 | Air Products And Chemicals, Inc. | Process and apparatus for cracking ammonia |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213706A (en) * | 1975-07-23 | 1977-02-02 | Kanda Tsushin Kogyo Kk | Key telephone system |
| JPS52104008A (en) * | 1976-02-27 | 1977-09-01 | Taiko Denki Seisakusho:Kk | Connecting method of button telephone apparatus |
| JPS52111302A (en) * | 1976-03-15 | 1977-09-19 | Taiko Denki Seisakusho:Kk | Connecting system of button telephone set |
| JPS52116004A (en) * | 1976-03-26 | 1977-09-29 | Kanda Tsushin Kogyo Kk | Voice call system |
| JPS597254B2 (ja) * | 1976-04-05 | 1984-02-17 | 神田通信工業株式会社 | 改良形親子電話装置 |
-
1976
- 1976-09-03 JP JP10550076A patent/JPS5330802A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5330802A (en) | 1978-03-23 |