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发明名称
Starting means for electric clocks
摘要
申请公布号
US1936684(A)
申请公布日期
1933.11.28
申请号
US19300502311
申请日期
1930.12.15
申请人
THE SESSIONS CLOCK COMPANY
发明人
MAZUR SAMUEL
分类号
G04C15/00
主分类号
G04C15/00
代理机构
代理人
主权项
地址
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