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经营范围
发明名称
Artificial abrasion teeth
摘要
申请公布号
US2740199(A)
申请公布日期
1956.04.03
申请号
US19520271509
申请日期
1952.02.14
申请人
RAINER STRACK
发明人
STRACK RAINER
分类号
A61C13/00
主分类号
A61C13/00
代理机构
代理人
主权项
地址
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