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发明名称
METHOD AND DEVICES FOR MAKING ELECTRO-ACOUSTIC TRANSDUCER APPARATUS.
摘要
申请公布号
EP0214958(A4)
申请公布日期
1988.06.23
申请号
EP19850900844
申请日期
1985.01.07
申请人
LFF & ASS
发明人
LARSON, DAVID, A.
分类号
H04R9/04;H04R31/00;(IPC1-7):H04R31/00;B31F1/22;B31F1/00;B30B5/02;H04R9/00;B29C17/02;H01H1/12
主分类号
H04R9/04
代理机构
代理人
主权项
地址
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