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发明名称
Process and slurry formulation for making precision casting shells
摘要
申请公布号
US3165799(A)
申请公布日期
1965.01.19
申请号
US19610145713
申请日期
1961.10.17
申请人
PRECISION METALSMITHS, INC.
发明人
WATTS CLAUDE H.
分类号
B22C1/16;B22C9/04
主分类号
B22C1/16
代理机构
代理人
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