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发明名称
Geraet zum Bestimmen von Entfernungen, Richtungen und Winkeln auf Karten
摘要
申请公布号
DE489971(C)
申请公布日期
1930.01.28
申请号
DE1928S084208D
申请日期
1928.02.18
申请人
FIRMA THOMES SKOGSBYRAA
发明人
分类号
G01C17/12
主分类号
G01C17/12
代理机构
代理人
主权项
地址
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