Improvements in covers for road gullies,申请号GB19340030102-传众专利搜索

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发明名称	Improvements in covers for road gullies
摘要
申请公布号	GB445363(A)	申请公布日期	1936.04.08
申请号	GB19340030102	申请日期	1934.10.20
申请人	ROBERT RALSTON HENDERSON	发明人
分类号	E03F5/046	主分类号	E03F5/046
代理机构		代理人
主权项
地址

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