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发明名称
Dental model
摘要
申请公布号
US2750670(A)
申请公布日期
1956.06.19
申请号
US19520314475
申请日期
1952.10.13
申请人
JOHN VIGG
发明人
VIGG JOHN
分类号
G09B23/28
主分类号
G09B23/28
代理机构
代理人
主权项
地址
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