IMPROVEMENTS IN WARNING DEVICES FOR PEDESTRIANS,申请号GB19690006034-传众专利搜索

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发明名称	IMPROVEMENTS IN WARNING DEVICES FOR PEDESTRIANS
摘要
申请公布号	GB1299178(A)	申请公布日期	1972.12.06
申请号	GB19690006034	申请日期	1969.02.04
申请人	JOHN HARTLEY;ERIC JAMES PILKINGTON	发明人	JOHN HARTLEY;ERIC JAMES PILKINGTON
分类号	G08B5/38	主分类号	G08B5/38
代理机构		代理人
主权项
地址

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