Improvements in or relating to ladders,申请号GB19600044010-传众专利搜索

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发明名称	Improvements in or relating to ladders
摘要
申请公布号	GB930123(A)	申请公布日期	1963.07.03
申请号	GB19600044010	申请日期	1960.12.21
申请人	ROBERT WYNNE DAVIES;MARGARET ELUNED DAVIES	发明人
分类号	E06C1/32	主分类号	E06C1/32
代理机构		代理人
主权项
地址

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