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发明名称
ULTRASONIC DETECTING DEVICE WITH VARIABLE SENT WAVE BEAM WIDTH
摘要
申请公布号
JPH01176968(A)
申请公布日期
1989.07.13
申请号
JP19870336102
申请日期
1987.12.30
申请人
MARINE INSTR CO LTD
发明人
UZAWA TAKAO;OSAWA ATSUSHI
分类号
G01S7/523;G01S7/52
主分类号
G01S7/523
代理机构
代理人
主权项
地址
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