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发明名称
Elektrostatisches Mikrophon mit gespannter und mehrfach unterstuetzter Membran
摘要
申请公布号
DE900830(C)
申请公布日期
1954.01.04
申请号
DE1934T003081D
申请日期
1934.12.04
申请人
TOBIS TONBILD SYNDIKAT G.M.B.H.
发明人
分类号
H04R19/00
主分类号
H04R19/00
代理机构
代理人
主权项
地址
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