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经营范围
发明名称
STOETDEMPER.
摘要
申请公布号
NO773358(A)
申请公布日期
1978.04.05
申请号
NO19770003358
申请日期
1977.10.03
申请人
BASSINGER TOOLS INC.,
发明人
BASSINGER, GREY,
分类号
E21B4/14;E21B17/07;F16F9/00;(IPC1-7):E21B/
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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