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经营范围
发明名称
Sintered spherical pellets
摘要
申请公布号
AU2005284787(A1)
申请公布日期
2006.03.23
申请号
AU20050284787
申请日期
2005.09.14
申请人
CARBO CERAMICS INC.
发明人
BRETT ALLEN WILSON;BENJAMIN ELDRED;MARK EDMUNDS;STEVE CANOVA;ROBERT DUENCKEL
分类号
E21B43/267
主分类号
E21B43/267
代理机构
代理人
主权项
地址
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