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发明名称
Insignia positioning device
摘要
申请公布号
US2387986(A)
申请公布日期
1945.10.30
申请号
US19430510693
申请日期
1943.11.17
申请人
LENA W. EVANS
发明人
EVANS HENRY M.
分类号
A41H1/02
主分类号
A41H1/02
代理机构
代理人
主权项
地址
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