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发明名称
ELECTRO ACOUSTIC TRANSDUCER
摘要
申请公布号
KR920009238(B1)
申请公布日期
1992.10.15
申请号
KR19850006457
申请日期
1985.09.04
申请人
NIPPON CHEMICON CO., LTD.;KOIDE, HIDEO
发明人
IWANAKA, MASAYA;KAJIWARA, SEIJI
分类号
H04R1/08;H04R1/22;H04R1/28;H04R19/04;(IPC1-7):H04R1/10;G10K13/00
主分类号
H04R1/08
代理机构
代理人
主权项
地址
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