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发明名称
DOUBLE PIPE BORING AND KNEADING MACHINE AND LAND IMPROVEMENT USING SAME
摘要
申请公布号
JPH03208910(A)
申请公布日期
1991.09.12
申请号
JP19900005479
申请日期
1990.01.11
申请人
SEIKO KOGYO KK
发明人
KUNITO MITSUHIRO
分类号
E02D3/12;E02D5/18;E02D17/13;E02F5/02
主分类号
E02D3/12
代理机构
代理人
主权项
地址
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