| 发明名称 |
Method for removing a magnesia doped alumina core material |
| 摘要 |
Ceramic mold and core materials of magnesia doped alumina are removed from castings by a solution of either KOH or NaOH at elevated temperatures and pressures in an autoclave.
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| 申请公布号 |
US4073662(A) |
申请公布日期 |
1978.02.14 |
| 申请号 |
US19770775761 |
申请日期 |
1977.03.09 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
BOROM, MARCUS P. |
| 分类号 |
B22C1/02;C23G1/14;(IPC1-7):C23G1/14;C01F7/00 |
主分类号 |
B22C1/02 |
| 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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