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经营范围
发明名称
Uhrkalender
摘要
申请公布号
DE837078(C)
申请公布日期
1952.04.21
申请号
DE1950H003901
申请日期
1950.06.22
申请人
KARL HARTMANN
发明人
HARTMANN KARL
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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