Improvements in or relating to gully covers for street drains,申请号GB19390001632-传众专利搜索

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发明名称	Improvements in or relating to gully covers for street drains
摘要
申请公布号	GB519970(A)	申请公布日期	1940.04.10
申请号	GB19390001632	申请日期	1939.01.17
申请人	LONG, HUMPHREYS & COMPANY LIMITED;CHARLES LONG-LEATHER	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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