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发明名称
摘要
申请公布号
JP2759811(B2)
申请公布日期
1998.05.28
申请号
JP19880300698
申请日期
1988.11.30
申请人
SUMITOMO JUKIKAI KOGYO KK
发明人
OCHI TERUAKI;WATANABE MITSURU
分类号
B21D3/05;(IPC1-7):B21D3/05
主分类号
B21D3/05
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