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发明名称
ULTRASONIC SENSOR
摘要
申请公布号
JPS6234499(A)
申请公布日期
1987.02.14
申请号
JP19850172270
申请日期
1985.08.07
申请人
NISSAN MOTOR CO LTD;NGK SPARK PLUG CO LTD
发明人
KOBAYASHI HIROSHI;ITO TOSHIJI
分类号
G01S7/521;G01S7/52;H04R1/00
主分类号
G01S7/521
代理机构
代理人
主权项
地址
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