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经营范围
发明名称
Wegaufzeichner
摘要
申请公布号
DE530324(C)
申请公布日期
1931.07.27
申请号
DE1929M109689D
申请日期
1929.04.17
申请人
GERHARD MUELLER
发明人
分类号
G01C21/14
主分类号
G01C21/14
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