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发明名称
DIRECTION DETECTOR OF SHIELD DRILLING MACHINE
摘要
申请公布号
JPS6145092(A)
申请公布日期
1986.03.04
申请号
JP19840166588
申请日期
1984.08.10
申请人
KOMATSU LTD
发明人
MINAMI YOSHITO
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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