,申请号DE19712115841-传众专利搜索

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发明名称
摘要
申请公布号	DE2115841(A1)	申请公布日期	1971.11.18
申请号	DE19712115841	申请日期	1971.04.01
申请人	GRACE W R & CO	发明人
分类号	C01C3/12;(IPC1-7):C01C3/12	主分类号	C01C3/12
代理机构		代理人
主权项
地址

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