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经营范围
发明名称
Packer à déclenchement thermique
摘要
申请公布号
FR1474197(A)
申请公布日期
1967.03.24
申请号
FR19660049278
申请日期
1966.02.11
申请人
MINISTERUL PETROLULUI
发明人
ANASTASIU EUGENIU VASILE;MARGARIT TRAIAN
分类号
E21B33/128
主分类号
E21B33/128
代理机构
代理人
主权项
地址
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