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经营范围
发明名称
Artificial dental structure
摘要
申请公布号
US2149048(A)
申请公布日期
1939.02.28
申请号
US19370119175
申请日期
1937.01.06
申请人
HYMAN FREEDMAN
发明人
FREEDMAN HYMAN
分类号
A61C13/235
主分类号
A61C13/235
代理机构
代理人
主权项
地址
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