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发明名称
ROAD GRADIENT DETECTING AND WARNING DEVICE
摘要
申请公布号
JPH1114351(A)
申请公布日期
1999.01.22
申请号
JP19970167482
申请日期
1997.06.24
申请人
TOUDENTSUU:KK
发明人
ARAKAWA KENICHIRO
分类号
G01C9/00;G01C9/06;G01C9/12;G08B21/00;G08G1/00;(IPC1-7):G01C9/06
主分类号
G01C9/00
代理机构
代理人
主权项
地址
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