| 发明名称 |
电话机 |
| 摘要 |
|
| 申请公布号 |
CN87300241S |
申请公布日期 |
1988.09.10 |
| 申请号 |
CN87300241 |
申请日期 |
1987.07.31 |
| 申请人 |
上海无线电十八厂 |
发明人 |
叶明良；俞欣克 |
| 分类号 |
14-03-T0110 |
主分类号 |
14-03-T0110 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
上海市徐汇区零陵路332号 |
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