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发明名称
Dentist's model
摘要
申请公布号
US1822043(A)
申请公布日期
1931.09.08
申请号
US19290369327
申请日期
1929.06.08
申请人
WALTER KOHLER
发明人
KOHLER WALTER
分类号
A61C11/02
主分类号
A61C11/02
代理机构
代理人
主权项
地址
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