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发明名称
Dental matrix device
摘要
申请公布号
US3262208(A)
申请公布日期
1966.07.26
申请号
US19630313302
申请日期
1963.10.02
申请人
JOHNSON JR DEWEY E
发明人
JR. DEWEY E. JOHNSON,
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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