| 发明名称 |
Method and apparatus of retrieval of coded information from symbols having coded inks having photoluminescent components with short and long time constants of decay after short wave illumination |
| 摘要 |
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| 申请公布号 |
US3412245(A) |
申请公布日期 |
1968.11.19 |
| 申请号 |
US19660526184 |
申请日期 |
1966.02.09 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
HALVERSON FREDERICK |
| 分类号 |
C09D5/22;G01N21/64;G06K7/12 |
主分类号 |
C09D5/22 |
| 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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