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发明名称
DREDGING DEVICE
摘要
申请公布号
JPH02204535(A)
申请公布日期
1990.08.14
申请号
JP19890023696
申请日期
1989.02.03
申请人
UBE IND LTD
发明人
KUIOKA KIYOSHI;YAMAMOTO RYOICHI;INABA KOJI
分类号
E02F3/88
主分类号
E02F3/88
代理机构
代理人
主权项
地址
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