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经营范围
发明名称
Wechselsprech-Lautsprecheranlage
摘要
申请公布号
DE865913(C)
申请公布日期
1953.02.05
申请号
DE1941A009270D
申请日期
1941.04.19
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
LIPINSKI WILHELM
分类号
H04M9/00
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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