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发明名称
METHOD OF CONSTRUCTION OF BORING OF BASE ROCK
摘要
申请公布号
JPS58127891(A)
申请公布日期
1983.07.30
申请号
JP19820009215
申请日期
1982.01.22
申请人
AICHI SHIYARIYOU KK
发明人
KOMAI SHIZUO
分类号
E21B3/00
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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