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发明名称
摘要
申请公布号	FR2133993(A1)	申请公布日期	1972.12.01
申请号	FR19720014110	申请日期	1972.04.21
申请人	ELECTRONIC MEMORIES MAGN	发明人
分类号	B01J6/00;C04B35/26;C04B35/64;(IPC1-7):C21D9/00;H01F41/00	主分类号	B01J6/00
代理机构		代理人
主权项
地址

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