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发明名称
Method for making impressions of objects
摘要
申请公布号
US2488922(A)
申请公布日期
1949.11.22
申请号
US19440555010
申请日期
1944.09.20
申请人
MEAD WARREN J
发明人
MEAD WARREN J.
分类号
A61C9/00;B22C9/03;B29C33/38
主分类号
A61C9/00
代理机构
代理人
主权项
地址
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