| 发明名称 |
RADIOACTIVE MATERIAL BILLING SYSTEM AND METHOD |
| 摘要 |
<p>Quantities of radioactive material are dispersed at a user location. Billing is accomplished by monitoring the decay of material and the degree of activity following each user withdrawal.</p> |
| 申请公布号 |
CA1242797(A) |
申请公布日期 |
1988.10.04 |
| 申请号 |
CA19850485217 |
申请日期 |
1985.06.25 |
| 申请人 |
DU PONT (E.I.) DE NEMOURS AND COMPANY |
发明人 |
LEE, DENNY L.Y. |
| 分类号 |
G01T1/167;G01T1/00;G01T1/17;G06Q30/04;(IPC1-7):G06F15/22 |
主分类号 |
G01T1/167 |
| 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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