PROCESS FOR PELLETIZING PHOSPHATE ROCK,申请号USD3443923-传众专利搜索

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发明名称	PROCESS FOR PELLETIZING PHOSPHATE ROCK
摘要
申请公布号	US3443923(A)	申请公布日期	1969.05.13
申请号	USD3443923	申请日期	1967.11.03
申请人	W.R. GRACE & CO.;ELEKTROKEMISK INC.	发明人	ERIK QVALE DAHL
分类号	C01B25/01;C05B19/00;(IPC1-7):C05B13/02	主分类号	C01B25/01
代理机构		代理人
主权项
地址

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