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发明名称
Door alarm
摘要
申请公布号
US1825888(A)
申请公布日期
1931.10.06
申请号
US19300503656
申请日期
1930.12.20
申请人
ZYGMUNT PEHEL;GEORGE ZYCH
发明人
PEHEL ZYGMUNT;ZYCH GEORGE
分类号
E05B45/02
主分类号
E05B45/02
代理机构
代理人
主权项
地址
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