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经营范围
发明名称
DREDGING DEVICE
摘要
申请公布号
JPS6480630(A)
申请公布日期
1989.03.27
申请号
JP19870234578
申请日期
1987.09.18
申请人
HARADA KATSUYOSHI
发明人
HARADA KATSUYOSHI
分类号
E02F3/88;E02F5/00
主分类号
E02F3/88
代理机构
代理人
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