Improvements in and relating to hooped tubes,申请号GB19300001311-传众专利搜索

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发明名称	Improvements in and relating to hooped tubes
摘要
申请公布号	GB340148(A)	申请公布日期	1930.12.24
申请号	GB19300001311	申请日期	1930.01.14
申请人	GEORGES AUGUSTE FERRAND	发明人
分类号	B21C37/24	主分类号	B21C37/24
代理机构		代理人
主权项
地址

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