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发明名称
Illustrative equipment for use in dentistry
摘要
申请公布号
US2674802(A)
申请公布日期
1954.04.13
申请号
US19530352764
申请日期
1953.05.04
申请人
TURNER WILLIAMS PHILLIP
发明人
WILLIAMS PHILLIP TURNER
分类号
G09B23/28
主分类号
G09B23/28
代理机构
代理人
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