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发明名称
(A1 B1) ;PROCESS FOR THE PREPARATION OF GELATINOUS FLOCCULANT FOR CHEMICAL AND PHYSICAL TREATMENT OF WATER
摘要
申请公布号
HR20010752(A1)
申请公布日期
2003.04.30
申请号
HR20010000752
申请日期
2001.10.17
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发明人
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