,申请号NL19690010547-传众专利搜索

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发明名称
摘要
申请公布号	NL6910547(A)	申请公布日期	1970.01.13
申请号	NL19690010547	申请日期	1969.07.09
申请人		发明人
分类号	C01B7/00;C01B7/01;C01C3/00;(IPC1-7):C01C3/16;C01B7/08	主分类号	C01B7/00
代理机构		代理人
主权项
地址

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