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发明名称
Vorrichtung zur Umwandlung eines hochfrequenten Wechselstromes in eine Schallwelle, und umgekehrt
摘要
申请公布号
DE1095883(B)
申请公布日期
1960.12.29
申请号
DE1952K014170
申请日期
1952.05.10
申请人
SIEGFRIED KLEIN
发明人
KLEIN SIEGFRIED
分类号
H04R23/00
主分类号
H04R23/00
代理机构
代理人
主权项
地址
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