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发明名称
ELECTROMAGNETIC TYPE ELECTROOACOUSTIC TRANSDUCER
摘要
申请公布号
JPS5492316(A)
申请公布日期
1979.07.21
申请号
JP19770159287
申请日期
1977.12.29
申请人
SEIKO INSTR & ELECTRONICS
发明人
HORIKOSHI ICHIROU;MORI SHIGEO;MURAKAMI FUMIKAZU;HARA YOSHIAKI;FUJITA SUSUMU
分类号
H04R1/22;H04R13/00;(IPC1-7):H04R13/00
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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