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经营范围
发明名称
Alarm watch
摘要
申请公布号
US2803940(A)
申请公布日期
1957.08.27
申请号
US19540462253
申请日期
1954.10.14
申请人
FABRIQUE D'EBAUCHES VENUS S. A.
发明人
RAMSEIER OTTO;MEYLAN ANDRE
分类号
G04B23/12
主分类号
G04B23/12
代理机构
代理人
主权项
地址
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