| 发明名称 |
WAFERS AND PROCESSES FOR THEIR MANUFACTURE |
| 摘要 |
A process is disclosed for making a wafer which has a smooth, dense surface and a cell-like internal structure for use as a filled wafer. |
| 申请公布号 |
PT70617(A) |
申请公布日期 |
1980.01.01 |
| 申请号 |
PT19790070617 |
申请日期 |
1979.12.20 |
| 申请人 |
FERRERO OHG |
发明人 |
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| 分类号 |
A21D8/00;A21D10/04;A21D13/00;A21D13/08 |
主分类号 |
A21D8/00 |
| 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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