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发明名称
Dental investment composition
摘要
申请公布号
US2247573(A)
申请公布日期
1941.07.01
申请号
US19410387482
申请日期
1941.04.08
申请人
EDMUND A. STEINBOCK
发明人
COLLINS PAUL FRANCIS
分类号
A61C13/00;A61K6/027;B22C1/18
主分类号
A61C13/00
代理机构
代理人
主权项
地址
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