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经营范围
发明名称
UN CALENDARIO PERPETUO.
摘要
申请公布号
ES144516(Y)
申请公布日期
1970.06.16
申请号
ES19690144516U
申请日期
1969.01.08
申请人
HERNANDO ALBERDI
发明人
分类号
G09D
主分类号
G09D
代理机构
代理人
主权项
地址
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