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发明名称
DREDGING METHOD FOR SLUDGE
摘要
申请公布号
JPS55155833(A)
申请公布日期
1980.12.04
申请号
JP19790063610
申请日期
1979.05.22
申请人
HITACHI SHIPBUILDING ENG CO
发明人
YOSHIDA NOBUYUKI;OGINO ETSUO;KIKUCHI TOSHIYUKI;ARAI TAKAO
分类号
E02F3/47;E02F1/00;E02F3/88
主分类号
E02F3/47
代理机构
代理人
主权项
地址
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