Improvements in scaffolding couplings,申请号GB19340016787-传众专利搜索

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发明名称	Improvements in scaffolding couplings
摘要
申请公布号	GB423151(A)	申请公布日期	1935.01.25
申请号	GB19340016787	申请日期	1934.06.06
申请人	JOHN BURTON	发明人
分类号	E04G7/14	主分类号	E04G7/14
代理机构		代理人
主权项
地址

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