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发明名称
IMPROVEMENTS IN AND RELATING TO WASHING FINE COAL
摘要
申请公布号
ZA7703619(B)
申请公布日期
1978.09.27
申请号
ZA19770003619
申请日期
1977.06.16
申请人
NORTONS TIVIDALE SOUTH AFRICA LTD
发明人
WALT P VAN DER
分类号
B04C7/00;C10L5/00
主分类号
B04C7/00
代理机构
代理人
主权项
地址
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