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发明名称
EARTH AND MOUNTAIN STABILIZING METHOD IN MUD ADDING TYPE SHIELD DRILLING MACHINE
摘要
申请公布号
JPS60212594(A)
申请公布日期
1985.10.24
申请号
JP19840068430
申请日期
1984.04.05
申请人
HAZAMAGUMI:KK;HITACHI ZOSEN KK
发明人
OOKAWA MASASHIGE;YOSHIMOTO KEIJI
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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