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发明名称
ACOUSTIC CONTROLLER FOR TRAFFIC SIGNAL DEVICE
摘要
申请公布号
JPH1116084(A)
申请公布日期
1999.01.22
申请号
JP19970170338
申请日期
1997.06.26
申请人
NIPPON SIGNAL CO LTD:THE
发明人
OZAKI YOSHIHARU
分类号
G08G1/005;(IPC1-7):G08G1/005
主分类号
G08G1/005
代理机构
代理人
主权项
地址
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