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经营范围
发明名称
Lautstarke Verständigungsanlage mit auf Distanz besprechbaren Mikrophonen an lärmgestörten Aufnahmeorten.
摘要
申请公布号
CH243742(A)
申请公布日期
1946.07.31
申请号
CHD243742
申请日期
1944.11.30
申请人
AUTOPHON AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT AUTOPHON
分类号
H03G3/24;H03G9/06
主分类号
H03G3/24
代理机构
代理人
主权项
地址
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