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发明名称
摘要
申请公布号
JP2540245(B2)
申请公布日期
1996.10.02
申请号
JP19910006666
申请日期
1991.01.24
申请人
NIPPON TETSUDO KENSETSU KODAN;HITACHI ZOSEN KK
发明人
FUJITA HARUO;SENDAI JUJI;NAKAHIRA YASUO;IMAI KENJI;TOMIKI HIROSHI
分类号
E21D11/04;E21D11/40;(IPC1-7):E21D11/04
主分类号
E21D11/04
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