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发明名称
摘要
申请公布号
JP2873217(B2)
申请公布日期
1999.03.24
申请号
JP19970026069
申请日期
1997.01.23
申请人
HIRAOKA KINZOKU KOGYO KK
发明人
IGUCHI TAKESHI;MATSUYAMA KAZUO
分类号
E04C5/06;B21F31/00;B21F33/00;B23K11/14;(IPC1-7):B21F31/00
主分类号
E04C5/06
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