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发明名称
MANUFACTURE OF ULTRASONIC CONVERSION ELEMENT
摘要
申请公布号
JPH02286138(A)
申请公布日期
1990.11.26
申请号
JP19890108679
申请日期
1989.04.26
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TAWARA KENJI;SHIRATO TADASHI;IRIOKA KAZUYOSHI
分类号
G01N29/24;A61B8/00;H04R17/00
主分类号
G01N29/24
代理机构
代理人
主权项
地址
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