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发明名称
Striking clock
摘要
申请公布号
US2742875(A)
申请公布日期
1956.04.24
申请号
US19510229672
申请日期
1951.06.04
申请人
HELMUT JUNGHANS;PAUL JAHN
发明人
JUNGHANS HELMUT;JAHN PAUL
分类号
G04B21/08
主分类号
G04B21/08
代理机构
代理人
主权项
地址
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