Improvements in or relating to permanent magnetic materials,申请号GB19660040854-传众专利搜索

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发明名称	Improvements in or relating to permanent magnetic materials
摘要
申请公布号	GB1139223(A)	申请公布日期	1969.01.08
申请号	GB19660040854	申请日期	1966.09.13
申请人	SIEMENS AKTIENGESELLSCHAFT	发明人
分类号	C04B35/26	主分类号	C04B35/26
代理机构		代理人
主权项
地址

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