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经营范围
发明名称
MINERAL EXCAVATOR
摘要
申请公布号
JPS57112592(A)
申请公布日期
1982.07.13
申请号
JP19810127317
申请日期
1981.08.13
申请人
DORETSUSAA YUAROPU SA
发明人
JIYOOJI ARUBAATO PAROTSUTO
分类号
E21C27/06;E21C27/02;E21C29/02;E21C29/22
主分类号
E21C27/06
代理机构
代理人
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地址
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