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发明名称
SUCTION PIPE DEVICE FOR PUMPING DREDGER
摘要
申请公布号
JPS5271841(A)
申请公布日期
1977.06.15
申请号
JP19750146867
申请日期
1975.12.11
申请人
OMOTO CONSTR CO LTD
发明人
YAMASHITA AKIRA
分类号
E02F3/88;E02F3/92;E02F5/00
主分类号
E02F3/88
代理机构
代理人
主权项
地址
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