Coupling means for scaffolding bars,申请号US19470753991-传众专利搜索

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发明名称	Coupling means for scaffolding bars
摘要
申请公布号	US2583368(A)	申请公布日期	1952.01.22
申请号	US19470753991	申请日期	1947.06.11
申请人	FRENCH MERLE P	发明人	FRENCH MERLE P.
分类号	E04G7/30	主分类号	E04G7/30
代理机构		代理人
主权项
地址

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