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发明名称
Dental matrix apparatus
摘要
申请公布号
US2646622(A)
申请公布日期
1953.07.28
申请号
US19500168702
申请日期
1950.06.17
申请人
CHRISTIE DONALD R;BOTTEMILLER MERTON M
发明人
CHRISTIE DONALD R.;BOTTEMILLER MERTON M.
分类号
A61C5/12
主分类号
A61C5/12
代理机构
代理人
主权项
地址
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