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摘要
申请公布号
JP2953283(B2)
申请公布日期
1999.09.27
申请号
JP19930323672
申请日期
1993.12.22
申请人
NIPPON KOKAN KK
发明人
YAMAMOTO HIROYUKI;YAMAZAKI MOTOHARU
分类号
B21B25/06;(IPC1-7):B21B25/06
主分类号
B21B25/06
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