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发明名称
MOUNTING STRUCTURE FOR LEADER
摘要
申请公布号
JPS5689691(A)
申请公布日期
1981.07.21
申请号
JP19790164555
申请日期
1979.12.18
申请人
TABATA SHIGEHISA
发明人
TABATA SHIGEHISA
分类号
E21B15/00;B66C23/18;B66C23/36;B66C23/66
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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