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经营范围
发明名称
(A) ;ULTRASONIC SIGNAL TRANSMITTER AND RECEIVER
摘要
申请公布号
JPS63121749(U)
申请公布日期
1988.08.08
申请号
JP19870012202U
申请日期
1987.01.31
申请人
发明人
分类号
F16C9/02;F02F7/00;(IPC1-7):F02F7/00
主分类号
F16C9/02
代理机构
代理人
主权项
地址
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