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经营范围
发明名称
NON POLLUTING DREDGING DEVICE
摘要
申请公布号
JPH0274730(A)
申请公布日期
1990.03.14
申请号
JP19880224497
申请日期
1988.09.09
申请人
IWAKURAGUMI DOKEN KK;NARASAKI SANGYO KK;NARASAKI SEISAKUSHO:KK
发明人
YOSHIOKA YUICHI;TAKEDA KANJI;DOI SATOSHI;KIKUCHI MASAAKI;KAMATA HIROKATSU;USUDA SHUICHI;KIYONO KATSUHIRO;MURO IWAO
分类号
E02F3/30;E02F3/88
主分类号
E02F3/30
代理机构
代理人
主权项
地址
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