| 发明名称 |
COUNTING BALL CALCULATOR |
| 摘要 |
|
| 申请公布号 |
JPS62220985(A) |
申请公布日期 |
1987.09.29 |
| 申请号 |
JP19860064434 |
申请日期 |
1986.03.21 |
| 申请人 |
OTSUKI KAZUMARU |
发明人 |
OTSUKI KAZUMARU |
| 分类号 |
G09B19/02;G06C1/00 |
主分类号 |
G09B19/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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