,申请号NL19690000456-传众专利搜索

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发明名称
摘要
申请公布号	NL6900456(A)	申请公布日期	1969.11.05
申请号	NL19690000456	申请日期	1969.01.10
申请人		发明人
分类号	C01G28/00;(IPC1-7):C01B27/00	主分类号	C01G28/00
代理机构		代理人
主权项
地址

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