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发明名称
SUNK WELL METHOD FOR OPERATION IN AIR AT LARGE DEPTH OF WATER
摘要
申请公布号
JPH03172409(A)
申请公布日期
1991.07.25
申请号
JP19890309024
申请日期
1989.11.30
申请人
MURAZUMI KENSETSU KK
发明人
SAKAETANI NOBUYUKI;ATSUMI KISOUJI
分类号
E02B17/00;E02B7/00
主分类号
E02B17/00
代理机构
代理人
主权项
地址
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