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经营范围
发明名称
EARTH AUGER DRILL
摘要
申请公布号
JPS5241406(A)
申请公布日期
1977.03.31
申请号
JP19750116871
申请日期
1975.09.26
申请人
SHIN MEIWA IND CO LTD
发明人
HIROSE HIROMICHI;MIYAKE HIDEKI
分类号
E21B10/44
主分类号
E21B10/44
代理机构
代理人
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