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发明名称
CONNECTING SLIDER
摘要
申请公布号
JPH05209491(A)
申请公布日期
1993.08.20
申请号
JP19920069966
申请日期
1992.02.21
申请人
SUMITOMO CONSTR MACH CO LTD
发明人
KAHARA AKIRA
分类号
E21B19/00;E21B15/00;E21B41/00;E21B41/10
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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