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发明名称
Calendar timepiece
摘要
申请公布号
US2581268(A)
申请公布日期
1952.01.01
申请号
US19490103493
申请日期
1949.07.07
申请人
BENRUS WATCH COMPANY, INC.
发明人
MARCHAND ADAMIR
分类号
G04B19/253
主分类号
G04B19/253
代理机构
代理人
主权项
地址
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