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发明名称
Device for teaching atomic structure and the properties of elements
摘要
申请公布号
US3156985(A)
申请公布日期
1964.11.17
申请号
US19620165328
申请日期
1962.01.10
申请人
BLISS HORACE H;EMORY GERALD B
发明人
BLISS HORACE H.;EMORY GERALD B.
分类号
G09B23/26
主分类号
G09B23/26
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代理人
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