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发明名称
Ubertragungsgerät für Teilnehmerstationen von elektroakustischen Verständigungsanlagen.
摘要
申请公布号
CH258990(A)
申请公布日期
1948.12.31
申请号
CHD258990
申请日期
1943.12.13
申请人
AUTOPHON AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT AUTOPHON
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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