Spheroidal alkali metal polyphosphates of low apparent density, and apparatus for making them,申请号US19870074096-传众专利搜索

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发明名称	Spheroidal alkali metal polyphosphates of low apparent density, and apparatus for making them
摘要
申请公布号	US4968490(A)	申请公布日期	1990.11.06
申请号	US19870074096	申请日期	1987.07.16
申请人	HOECHST AKTIENGESELLSCHAFT	发明人	KOWALSKI, WERNER;HAAS, HANS;DAHMEN, THEO;ERPENBACH, MARKUS
分类号	B01D1/18;C01B25/41	主分类号	B01D1/18
代理机构		代理人
主权项
地址

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