Improvements in or relating to Gradient Delineators.,申请号GB19650032240-传众专利搜索

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发明名称	Improvements in or relating to Gradient Delineators.
摘要
申请公布号	GB1162512(A)	申请公布日期	1969.08.27
申请号	GB19650032240	申请日期	1965.07.28
申请人	HERBERT OLIVER NELSON	发明人	HERBERT OLIVER NELSON
分类号	G01C7/04	主分类号	G01C7/04
代理机构		代理人
主权项
地址

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