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发明名称
TRANSDUCER FOR ACOUSTIC EQUIPMENT
摘要
申请公布号
JPH02256396(A)
申请公布日期
1990.10.17
申请号
JP19900029943
申请日期
1990.02.09
申请人
PIONEER ELECTRON CORP
发明人
ODA MITSUHIRO
分类号
H04R1/00;B06B1/04
主分类号
H04R1/00
代理机构
代理人
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地址
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