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发明名称
Jahresschaltuhr fuer mehrere Schaltjahrperioden
摘要
申请公布号
DE1921431(A1)
申请公布日期
1970.11.12
申请号
DE19691921431
申请日期
1969.04.26
申请人
SIEMENS AG
发明人
KOHLER,HERMANN
分类号
G04C23/34
主分类号
G04C23/34
代理机构
代理人
主权项
地址
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