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发明名称
Crystal structure device
摘要
申请公布号
US2882616(A)
申请公布日期
1959.04.21
申请号
US19550553541
申请日期
1955.12.16
申请人
HARRY BENJAMIN
发明人
BENJAMIN HARRY
分类号
G09B23/26
主分类号
G09B23/26
代理机构
代理人
主权项
地址
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