| 发明名称 |
WALLLTYPE UNIT STRUCTURE FOR TELEPHONE SET |
| 摘要 |
PURPOSE:To secure a perfect operation for a hook switch with no modification of the telephone switch by providing a drop-out preventing means for the handset. |
| 申请公布号 |
JPS53138611(A) |
申请公布日期 |
1978.12.04 |
| 申请号 |
JP19770054023 |
申请日期 |
1977.05.10 |
| 申请人 |
NIPPON ELECTRIC CO |
发明人 |
OOTA KEIZOU;TAKENOYA YASUJI;KOBAYASHI HIROSHI |
| 分类号 |
H04M1/11;H04M1/06 |
主分类号 |
H04M1/11 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
