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经营范围
发明名称
TREATMENT OF SEWAGE SLUDGE
摘要
申请公布号
ZA8903152(B)
申请公布日期
1990.01.31
申请号
ZA19890003152
申请日期
1989.04.27
申请人
VERMICULITE EXFOLIATIONS (PROPRIETARY) LIMITED
发明人
ALAN WILSON PROUDFOOT;WILLIAM RODERICK ROSS;JOHANNES HENDRIK NELL
分类号
C02F;C05F
主分类号
C02F
代理机构
代理人
主权项
地址
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