Procédé pour transformer la roche phosphatée en engrais.,申请号OA19680053348-传众专利搜索

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发明名称	Procédé pour transformer la roche phosphatée en engrais.
摘要
申请公布号	OA2874(A)	申请公布日期	1970.12.15
申请号	OA19680053348	申请日期	1968.08.05
申请人	REPUBLIC STEEL CORPORATION	发明人
分类号	C05B9/00;(IPC1-7):C05B9/00;C05B11/08	主分类号	C05B9/00
代理机构		代理人
主权项
地址

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