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发明名称
Recording clock
摘要
申请公布号
US2889190(A)
申请公布日期
1959.06.02
申请号
US19570654543
申请日期
1957.04.23
申请人
DETEX WATCHCLOCK CORPORATION
发明人
JAUCH MARTIN
分类号
G07C1/20
主分类号
G07C1/20
代理机构
代理人
主权项
地址
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