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发明名称
SUPERSONIC TRANSDUCER FOR HIGH TEMPERATURES
摘要
申请公布号
JPH01162182(A)
申请公布日期
1989.06.26
申请号
JP19870319045
申请日期
1987.12.18
申请人
TOKYO KEIKI CO LTD;TOSHIBA CORP
发明人
WATANABE HIROSHI;YOSHIDA TASUKU;KARASAWA HIROICHI;SATO MASUO
分类号
G01S7/521;G01S7/52;H04R1/44;H04R17/00
主分类号
G01S7/521
代理机构
代理人
主权项
地址
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