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经营范围
发明名称
DREDGER
摘要
申请公布号
JPS6290450(A)
申请公布日期
1987.04.24
申请号
JP19850229897
申请日期
1985.10.17
申请人
MITSUI ENG & SHIPBUILD CO LTD
发明人
KIKUI KEIZO
分类号
E02F3/88
主分类号
E02F3/88
代理机构
代理人
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