MANUFACTURE OF IRON AND STEEL TUBES,申请号CAD308450-传众专利搜索

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发明名称	MANUFACTURE OF IRON AND STEEL TUBES
摘要
申请公布号	CA308450(A)	申请公布日期	1931.02.10
申请号	CAD308450	申请日期
申请人	FRANCIS ADOLF FRISCH;HERMAN ARTHUR NICOLAYSEN;FRANCIS SONNICHSEN	发明人	HERMAN ARTHUR NICOLAYSEN;FRANCIS SONNICHSEN;FRANCIS ADOLF FRISCH
分类号		主分类号
代理机构		代理人
主权项
地址

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