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发明名称
Procédé d'application de bouchons ou de revêtements de ciment dans les puits de pétrole
摘要
申请公布号
FR1083628(A)
申请公布日期
1955.01.11
申请号
FRD1083628
申请日期
1953.06.20
申请人
发明人
SR. JESSE ELMER HALL,
分类号
E21B33/134
主分类号
E21B33/134
代理机构
代理人
主权项
地址
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