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发明名称
DREDGING
摘要
申请公布号
JPH04106228(A)
申请公布日期
1992.04.08
申请号
JP19900224748
申请日期
1990.08.27
申请人
MITSUBISHI HEAVY IND LTD;RIYOOSEN ENJINIAZU:KK
发明人
OKAWA MASAKI;ITO KAZUTO
分类号
E02F3/14;E02F3/88;E02F7/10
主分类号
E02F3/14
代理机构
代理人
主权项
地址
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