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经营范围
发明名称
Machine excavatrice pour percer des galeries dans la terre
摘要
申请公布号
FR1209498(A)
申请公布日期
1960.03.02
申请号
FRD1209498
申请日期
1958.08.09
申请人
HUGHES TOOL COMPANY
发明人
分类号
E21D9/10;E21D9/11;E21D9/12
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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