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发明名称
Alarm device
摘要
申请公布号
US2982084(A)
申请公布日期
1961.05.02
申请号
US19570673681
申请日期
1957.07.23
申请人
EBAUCHES S. A.
发明人
MEYER FRIEDRICH
分类号
G04F3/02
主分类号
G04F3/02
代理机构
代理人
主权项
地址
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