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Rechenschieber für Währungsumrechnungen
摘要
申请公布号
CH366989(A)
申请公布日期
1963.01.31
申请号
CH19580065751
申请日期
1958.11.03
申请人
AICH,WERNER FRITZ
发明人
FRITZ AICH,WERNER
分类号
A01B15/08;G06G1/00
主分类号
A01B15/08
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代理人
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