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经营范围
发明名称
SHIELD DRILLING MACHINE
摘要
申请公布号
JPS58195693(A)
申请公布日期
1983.11.14
申请号
JP19820062560
申请日期
1982.04.16
申请人
HITACHI KENKI KK
发明人
MIZUTANI TSUTOMU
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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