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经营范围
发明名称
EXCAVATING MACHINE
摘要
申请公布号
JPH09165987(A)
申请公布日期
1997.06.24
申请号
JP19950330264
申请日期
1995.12.19
申请人
NIPPON SHARYO SEIZO KAISHA LTD;KYUSHU NITTO KK
发明人
NAGATA MITSUO;IMOTO KIYONORI
分类号
E21B7/00;E21B19/02;(IPC1-7):E21B7/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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