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发明名称
POLYSILIKATMIKROGELE ALS RUECKHALTUNGS-/ENTWAESSERUNGSHILFSMITTEL BEI DER PAPIERHERSTELLUNG.
摘要
申请公布号
DE68906623(D1)
申请公布日期
1993.06.24
申请号
DE19896006623
申请日期
1989.09.13
申请人
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US
发明人
RUSHMERE, JOHN DEREK, WILMINGTON DELAWARE 19805, US
分类号
B01J13/00;C01B33/143;D21H17/28;D21H17/37;D21H17/45;D21H17/59;D21H17/63;D21H17/68;D21H21/10;(IPC1-7):D21H17/68
主分类号
B01J13/00
代理机构
代理人
主权项
地址
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