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发明名称
Method and apparatus for making ceramic molds
摘要
申请公布号
US3267527(A)
申请公布日期
1966.08.23
申请号
US19620235245
申请日期
1962.11.05
申请人
BROWN GEORGE M
发明人
BROWN GEORGE M.
分类号
B22C9/06;B28B7/16
主分类号
B22C9/06
代理机构
代理人
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