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发明名称
Key embodying a signaling device
摘要
申请公布号
US2373893(A)
申请公布日期
1945.04.17
申请号
US19430515450
申请日期
1943.12.23
申请人
GUIDO HOENGER
发明人
HOENGER GUIDO
分类号
E05B19/22
主分类号
E05B19/22
代理机构
代理人
主权项
地址
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