A pulley block to facilitate the assembly and separation of the sections forming telescopic extension ladders, by allowing a bight of the rope to be removed,申请号GB19310027421-传众专利搜索

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发明名称	A pulley block to facilitate the assembly and separation of the sections forming telescopic extension ladders, by allowing a bight of the rope to be removed
摘要
申请公布号	GB382396(A)	申请公布日期	1932.10.27
申请号	GB19310027421	申请日期	1931.10.02
申请人	JAMES ALFRED TURRELL	发明人
分类号	B66D3/04	主分类号	B66D3/04
代理机构		代理人
主权项
地址

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