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发明名称
摘要
申请公布号	GB1258262(A)	申请公布日期	1971.12.30
申请号	GBD1258262	申请日期	1968.06.10
申请人		发明人
分类号	B22F3/10;C04B35/653;C04B35/71;C22C1/05;C23C2/18;C23C4/16;C23C4/18	主分类号	B22F3/10
代理机构		代理人
主权项
地址

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