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经营范围
发明名称
SEALING PACKER
摘要
申请公布号
AU6526886(A)
申请公布日期
1987.04.24
申请号
AU19860065268
申请日期
1986.10.02
申请人
ARROW OIL TOOLS, INC.
发明人
TED G. CLIFTON;ROBERT L. BROOKEY
分类号
E21B;E21B33/124;F16J15/02;F16J15/18
主分类号
E21B
代理机构
代理人
主权项
地址
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