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经营范围
发明名称
DREDGING DEVICE
摘要
申请公布号
JPH04277227(A)
申请公布日期
1992.10.02
申请号
JP19910119580
申请日期
1991.03.01
申请人
UBE IND LTD
发明人
YAMAMOTO RYOICHI;KUIOKA KIYOSHI
分类号
E02F3/92
主分类号
E02F3/92
代理机构
代理人
主权项
地址
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