,申请号DE19702012043-传众专利搜索

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发明名称
摘要
申请公布号	DE2012043(A1)	申请公布日期	1970.10.08
申请号	DE19702012043	申请日期	1970.03.13
申请人		发明人
分类号	C01B31/02;C04B35/532;(IPC1-7):C01B31/04	主分类号	C01B31/02
代理机构		代理人
主权项
地址

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