Improvements in or relating to ladders and duckboards,申请号GB19650033000-传众专利搜索

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发明名称	Improvements in or relating to ladders and duckboards
摘要
申请公布号	GB1145276(A)	申请公布日期	1969.03.12
申请号	GB19650033000	申请日期	1965.09.02
申请人	LESLIE FRANCIS MOORE	发明人
分类号	E04G3/26;E06C1/34;E06C7/08	主分类号	E04G3/26
代理机构		代理人
主权项
地址

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