| 发明名称 |
TIME-MOTION CALCULATOR |
| 摘要 |
Times required to perform various work tasks are obtained quickly and easily by reading a printed card which slides within an open-ended envelope having windows at particular locations.
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| 申请公布号 |
US3650467(A) |
申请公布日期 |
1972.03.21 |
| 申请号 |
USD3650467 |
申请日期 |
1970.09.17 |
| 申请人 |
INTERNATIONAL STANDARDS INC. SA. |
发明人 |
CLIFFORD SELLIE |
| 分类号 |
G06C3/00;(IPC1-7):G06C3/00 |
主分类号 |
G06C3/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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