,申请号NL19720007297-传众专利搜索

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发明名称
摘要
申请公布号	NL7207297(A)	申请公布日期	1972.12.28
申请号	NL19720007297	申请日期	1972.05.30
申请人		发明人
分类号	C07C49/637;C11B9/00;(IPC1-7):C01B9/00	主分类号	C07C49/637
代理机构		代理人
主权项
地址

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