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发明名称
Winkelmesser mit Rueckwaertseinschnittlinealen
摘要
申请公布号
DE552381(C)
申请公布日期
1932.06.14
申请号
DE1931D060866D
申请日期
1931.04.08
申请人
ALEXANDER DAHL
发明人
分类号
G01C1/00;G01C21/20;G01S5/08
主分类号
G01C1/00
代理机构
代理人
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地址
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