Mandrel bar guide,申请号US19300479784-传众专利搜索

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发明名称	Mandrel bar guide
摘要
申请公布号	US1874992(A)	申请公布日期	1932.08.30
申请号	US19300479784	申请日期	1930.09.04
申请人	DEMAG AKTIENGESELLSCHAFT	发明人	HEETKAMP HEINRICH
分类号	B21C1/34	主分类号	B21C1/34
代理机构		代理人
主权项
地址

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