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发明名称
IMPROVEMENTS RELATING TO CONCRETE MANUFACTURE
摘要
申请公布号
ZA7703378(B)
申请公布日期
1979.06.27
申请号
ZA19770003378
申请日期
1977.06.06
申请人
PRETORIUS J;HEIHS K
发明人
HEIHS K
分类号
C01F7/00;E04C2/04
主分类号
C01F7/00
代理机构
代理人
主权项
地址
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