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发明名称
In dem Wagenfuehrerstand von oeffentlichen Verkehrsfahrzeugen erschuetterungsfrei angeordnetes Mikrophon
摘要
申请公布号
DE728414(C)
申请公布日期
1942.11.26
申请号
DE1940ST59628D
申请日期
1940.04.18
申请人
HANSESTADT LUEBECK-STADTWERKE LUEBECK-VERTRETEN DURCH DEN OBERBUERGERMEISTER
发明人
HARDER MARTIN
分类号
H04M1/04
主分类号
H04M1/04
代理机构
代理人
主权项
地址
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