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发明名称
Identification device
摘要
申请公布号
US2641074(A)
申请公布日期
1953.06.09
申请号
US19480038301
申请日期
1948.07.12
申请人
RICHMOND PAUL P
发明人
RICHMOND PAUL P.
分类号
G09F3/00
主分类号
G09F3/00
代理机构
代理人
主权项
地址
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