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发明名称
PIEZOELECTRIC TRANSDUCER
摘要
申请公布号
JPH03270499(A)
申请公布日期
1991.12.02
申请号
JP19900070727
申请日期
1990.03.20
申请人
FURUNO ELECTRIC CO LTD
发明人
TAKENO KENJI;MURAKAMI EIJI
分类号
H04R1/44;H04R17/00
主分类号
H04R1/44
代理机构
代理人
主权项
地址
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