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经营范围
发明名称
EXCAVATING DEVICE
摘要
申请公布号
JPH04216716(A)
申请公布日期
1992.08.06
申请号
JP19900411503
申请日期
1990.12.17
申请人
NISHIMURA KOUGIYOU KK
发明人
NISHIMURA HIROHARU
分类号
E02D5/44;E02D7/00;E21B10/32
主分类号
E02D5/44
代理机构
代理人
主权项
地址
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