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发明名称
Pendulum locking device for clocks
摘要
申请公布号
US2138345(A)
申请公布日期
1938.11.29
申请号
US19380200295
申请日期
1938.04.06
申请人
HELMUT JUNGHANS
发明人
JUNGHANS HELMUT
分类号
G04B3/02
主分类号
G04B3/02
代理机构
代理人
主权项
地址
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Catalysts
