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发明名称
UNDERWATER EXCAVATING METHOD USING UNDERWATER SAND PUMP, AND UNDERWATER SAND PUMP
摘要
申请公布号
JPH02210123(A)
申请公布日期
1990.08.21
申请号
JP19890030846
申请日期
1989.02.09
申请人
TAKENAKA KOMUTEN CO LTD;TOYO KISO KOGYO KK;NISHI NIPPON TETSUDO KK
发明人
KANEOKA NOBUYUKI;KAKITA EISAKU;KATAYAMA YUKIYOSHI;HARAYAMA MASAAKI;MAKI MUNEYUKI;MATSUMOTO NOBUYUKI;HIRAYAMA YUUZABUROU
分类号
E02F3/88;E02F3/92
主分类号
E02F3/88
代理机构
代理人
主权项
地址
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