IMPROVEMENTS IN THE PIERCING OF METAL BLOCKS,申请号GB19690032164-传众专利搜索

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发明名称	IMPROVEMENTS IN THE PIERCING OF METAL BLOCKS
摘要
申请公布号	GB1243884(A)	申请公布日期	1971.08.25
申请号	GB19690032164	申请日期	1969.06.25
申请人	COMPAGNIE DU FILAGE DES METAUX ET DES JOINTS CURTY (CEFILAC)	发明人
分类号	B21J5/00;B21J9/04	主分类号	B21J5/00
代理机构		代理人
主权项
地址

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