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发明名称
ASYMETRISCHE STAHLBOHLE UND VERFAHREN ZU DEREN HERSTELLUNG
摘要
申请公布号
DE69631950(D1)
申请公布日期
2004.04.29
申请号
DE19966031950
申请日期
1996.09.26
申请人
SUMITOMO METAL INDUSTRIES, LTD.
发明人
MATSUBARA, HIROSHI;SHIKANO, HIROSHI;MASUDA, TOSHIAKI;ABE, YUKIO
分类号
B21B1/08;E02D5/04;(IPC1-7):E02D5/08
主分类号
B21B1/08
代理机构
代理人
主权项
地址
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