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经营范围
发明名称
GUIDEPOST USING MAGNETISM
摘要
申请公布号
JPS5372657(A)
申请公布日期
1978.06.28
申请号
JP19760148544
申请日期
1976.12.10
申请人
NAKA TAKUZOU
发明人
NAKA TAKUZOU
分类号
G01C9/18;G01C17/02;G01C17/04
主分类号
G01C9/18
代理机构
代理人
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地址
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