,申请号NL19690011652-传众专利搜索

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发明名称
摘要
申请公布号	NL6911652(A)	申请公布日期	1970.02.03
申请号	NL19690011652	申请日期	1969.07.30
申请人		发明人
分类号	C01B17/56;C22B1/10;(IPC1-7):C01B17/56	主分类号	C01B17/56
代理机构		代理人
主权项
地址

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