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发明名称
METHOD OF EXCAVATION CONSTRUCTION OF GROUND INTO WHICH ROCK IS BURIED
摘要
申请公布号
JPS61179992(A)
申请公布日期
1986.08.12
申请号
JP19850019050
申请日期
1985.02.01
申请人
MURAZAKI KAZUO
发明人
MURAZAKI KAZUO
分类号
E21B7/26
主分类号
E21B7/26
代理机构
代理人
主权项
地址
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