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发明名称
ULTRASONIC CONVERTER
摘要
申请公布号
JPS5719657(B2)
申请公布日期
1982.04.23
申请号
JP19780102207
申请日期
1978.08.22
申请人
发明人
分类号
H02H3/347
主分类号
H02H3/347
代理机构
代理人
主权项
地址
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