Improvements in material for the construction and surfacing of roads, footpaths, playgrounds and the like,申请号GB19380030775-传众专利搜索

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发明名称	Improvements in material for the construction and surfacing of roads, footpaths, playgrounds and the like
摘要
申请公布号	GB502657(A)	申请公布日期	1939.03.22
申请号	GB19380030775	申请日期	1938.10.25
申请人	JOSEPH WILFRID NEEDHAM;GEORGE WEBSTER NEEDHAM	发明人
分类号	C04B28/02	主分类号	C04B28/02
代理机构		代理人
主权项
地址

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