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发明名称
Dental model
摘要
申请公布号
US2266434(A)
申请公布日期
1941.12.16
申请号
US19390294571
申请日期
1939.09.13
申请人
MAX MORRISON
发明人
MORRISON MAX
分类号
G09B23/28
主分类号
G09B23/28
代理机构
代理人
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地址
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