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发明名称
Elektroakustischer Wandler nach dem elektrodynamischen Prinzip mit einer als Kalotte ausgebildeten Membran und einem in einem Luftspalt angeordneten Antriebselement
摘要
申请公布号
DE963243(C)
申请公布日期
1957.05.02
申请号
DE1953V005475
申请日期
1953.02.18
申请人
VEB FUNKWERK KOEPENICK
发明人
HUETTMANN ERICH
分类号
H04R9/00
主分类号
H04R9/00
代理机构
代理人
主权项
地址
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