| 发明名称 |
METHOD OF FORMING INVESTMENT CASTING SHELLS |
| 摘要 |
The strength and solids level of an investment casting shell is increased by incorporating at least one microsilica into the shell. |
| 申请公布号 |
EP1392461(A4) |
申请公布日期 |
2004.07.07 |
| 申请号 |
EP20020778919 |
申请日期 |
2002.04.03 |
| 申请人 |
ONDEO NALCO COMPANY |
发明人 |
DOLES, RONALD, S. |
| 分类号 |
B22C1/00;B22C1/08;B22C9/04 |
主分类号 |
B22C1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
