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经营范围
发明名称
WELL CEMENTING
摘要
申请公布号
AU4009985(A)
申请公布日期
1986.09.18
申请号
AU19850040099
申请日期
1985.03.14
申请人
EXXON PRODUCTION RESEARCH CO.
发明人
STUART R. KELLER
分类号
E21B21/00;E21B21/10;E21B33/13
主分类号
E21B21/00
代理机构
代理人
主权项
地址
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