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经营范围
发明名称
ULTRASONIC SENSOR
摘要
申请公布号
JPH03171897(A)
申请公布日期
1991.07.25
申请号
JP19890312084
申请日期
1989.11.29
申请人
NIPPON CERAMIC CO LTD
发明人
TANIGUCHI SHINICHI
分类号
G01N29/24;H04R17/00
主分类号
G01N29/24
代理机构
代理人
主权项
地址
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