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发明名称
MEMBRANE FUER DIE VERWENDUNG IN ELEKTROAKUSTISCHEN SCHALLDRUCKWANDLERN
摘要
申请公布号
DE3026204(A1)
申请公布日期
1981.01.15
申请号
DE19803026204
申请日期
1980.07.10
申请人
TOKYO SHIBAURA DENKI K.K.
发明人
WATANABE,SHOJI;IRIE,HIDEYUKI;HIROSE,MASAHIKO
分类号
C23C8/36;H04R7/02;H04R7/12;H04R31/00;(IPC1-7):H04R7/10
主分类号
C23C8/36
代理机构
代理人
主权项
地址
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