A new or improved device for facilitating the jointing of pipes and the like,申请号GB19300014258-传众专利搜索

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发明名称	A new or improved device for facilitating the jointing of pipes and the like
摘要
申请公布号	GB354375(A)	申请公布日期	1931.08.10
申请号	GB19300014258	申请日期	1930.05.09
申请人	ALFRED EDWIN HUGHES	发明人
分类号	B25B1/20	主分类号	B25B1/20
代理机构		代理人
主权项
地址

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