| 发明名称 |
DARK FORSTERITE CERAMIC COMPOSITION |
| 摘要 |
The composition comprises a primary phase of forsterite ceramic to which chromic oxide and cobaltic oxide are added in substantially equal amounts to darken the composition while not significantly changing the physical properties thereof.
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| 申请公布号 |
US3649309(A) |
申请公布日期 |
1972.03.14 |
| 申请号 |
USD3649309 |
申请日期 |
1970.09.16 |
| 申请人 |
RCA CORP. |
发明人 |
HAROLD NOTARIUS |
| 分类号 |
C04B33/13;C04B35/16;(IPC1-7):C04B33/00;C04B33/26 |
主分类号 |
C04B33/13 |
| 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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