| 发明名称 |
Refractometer cell with integral lens |
| 摘要 |
A fused glass refractometer cell is disclosed in which a lens is formed by the front surface of the cell and a reflective surface is applied to the rear surface of the cell. Means are provided to limit the passage of light through the cell to the central portion of the cell.
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| 申请公布号 |
US4286873(A) |
申请公布日期 |
1981.09.01 |
| 申请号 |
US19790051811 |
申请日期 |
1979.06.25 |
| 申请人 |
WATERS ASSOCIATES, INC. |
发明人 |
CARSON, WILLIAM W. |
| 分类号 |
G01D3/00;G01N21/41;G01N30/30;G01N30/74;(IPC1-7):G01N21/46 |
主分类号 |
G01D3/00 |
| 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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