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摘要
申请公布号
JP2992776(B2)
申请公布日期
1999.12.20
申请号
JP19910139165
申请日期
1991.06.11
申请人
HITACHI SEISAKUSHO KK
发明人
KUWABARA TOKIMITSU;OOTANI KENJI
分类号
E03F1/00;E02B11/00;F04B49/06;F04D15/00;G05D7/06;(IPC1-7):E03F1/00
主分类号
E03F1/00
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