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发明名称
Packer
摘要
申请公布号
AT264420(B)
申请公布日期
1968.08.26
申请号
AT19660001042
申请日期
1966.02.04
申请人
MINISTERUL PETROLULUI
发明人
DIPL. ING. ANASTASIU VASILE;MARGARIT TRAIAN
分类号
E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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