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发明名称
OPPBLAASBART PAKNINGSELEMENT
摘要
申请公布号
NO172554(B)
申请公布日期
1993.04.26
申请号
NO19880003216
申请日期
1988.07.20
申请人
GATES RUBBER COMPANY, THE
发明人
ITO, LEONARD N.
分类号
E21B;E21B33/127;F16J;F16L;(IPC1-7):E21B33/127
主分类号
E21B
代理机构
代理人
主权项
地址
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