发明名称 |
Calculating machine |
摘要 |
|
申请公布号 |
US2366282(A) |
申请公布日期 |
1945.01.02 |
申请号 |
US19430479520 |
申请日期 |
1943.03.17 |
申请人 |
SEVERIN NILSSON ROBERT |
发明人 |
NILSSON ROBERT SEVERIN |
分类号 |
G06C15/38 |
主分类号 |
G06C15/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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