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经营范围
发明名称
SPUD FOR DREDGER
摘要
申请公布号
JPH01131734(A)
申请公布日期
1989.05.24
申请号
JP19870288425
申请日期
1987.11.17
申请人
ISHIKAWAJIMA HARIMA HEAVY IND CO LTD
发明人
IGARASHI SEIJI;WASEDA SUSUMU
分类号
E02F3/90;B63H19/08;E02B17/08
主分类号
E02F3/90
代理机构
代理人
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地址
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