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经营范围
发明名称
LAUTSPRECHER.
摘要
申请公布号
DE1710254(U)
申请公布日期
1955.11.03
申请号
DE195500L3484U
申请日期
1955.05.28
申请人
LOEWE OPTA AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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