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发明名称
Tooth root pivot
摘要
申请公布号
US2411758(A)
申请公布日期
1946.11.26
申请号
US19450579216
申请日期
1945.02.22
申请人
JOSEPH RUETZ
发明人
RUETZ JOSEPH
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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