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发明名称
Doppelbildentfernungsmesser mit Messlatte am Ziel
摘要
申请公布号
DE524377(C)
申请公布日期
1931.05.13
申请号
DE1928F065444D
申请日期
1928.02.21
申请人
OTTO FENNEL SOEHNE
发明人
分类号
G01C3/12;G01C3/14
主分类号
G01C3/12
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