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发明名称
摘要
申请公布号
JPS6012121(B2)
申请公布日期
1985.03.30
申请号
JP19760097377
申请日期
1976.08.14
申请人
NIPPON STEEL CORP
发明人
MATSUKURA KAMEO;SATO KAZUAKI
分类号
B21B1/26;B21B3/00;C21D6/00;C21D9/46
主分类号
B21B1/26
代理机构
代理人
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地址
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