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发明名称
Program clock
摘要
申请公布号
US2029667(A)
申请公布日期
1936.02.04
申请号
US19350042096
申请日期
1935.09.25
申请人
JOSEPH MAXWELL CHARLES
发明人
MAXWELL CHARLES JOSEPH
分类号
G04C21/30
主分类号
G04C21/30
代理机构
代理人
主权项
地址
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