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发明名称
ULTRASONIC TRANSDUCER
摘要
申请公布号
JPH01204599(A)
申请公布日期
1989.08.17
申请号
JP19880029562
申请日期
1988.02.10
申请人
TORAY IND INC
发明人
MINATO NOBUKO;HASHIMOTO NOBUO
分类号
H04R17/00
主分类号
H04R17/00
代理机构
代理人
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地址
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