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发明名称
TREATMENT OF PHOSPHATE ROCK SLIMES BY FREEZING
摘要
申请公布号
US3681931(A)
申请公布日期
1972.08.08
申请号
USD3681931
申请日期
1970.03.11
申请人
HAZEN RESEARCH INC.
发明人
PABLO HADZERIGA
分类号
B03B1/00;B03D1/02;C01B3/16;C01B25/32;C01B33/18;C02F11/00;C02F11/20;C05B11/06;(IPC1-7):B01D9/04
主分类号
B03B1/00
代理机构
代理人
主权项
地址
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