| 发明名称 |
计算器 |
| 摘要 |
省略其它视图。 |
| 申请公布号 |
CN3010620S |
申请公布日期 |
1991.09.11 |
| 申请号 |
CN90301965.5 |
申请日期 |
1990.07.07 |
| 申请人 |
朱慧 |
发明人 |
朱慧 |
| 分类号 |
14-02-C0542 |
主分类号 |
14-02-C0542 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
316200浙江省岱山县邮电局 |
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