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经营范围
发明名称
DRILLING METHOD
摘要
申请公布号
JPS61165463(A)
申请公布日期
1986.07.26
申请号
JP19850005959
申请日期
1985.01.18
申请人
ONODA CEMENT CO LTD
发明人
KUBOTA HACHIRO;HIDA TOSHIHARU;UDA JUNICHIRO
分类号
E04G23/08;E21C37/00
主分类号
E04G23/08
代理机构
代理人
主权项
地址
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