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发明名称
摘要
申请公布号
JPH0627287(B2)
申请公布日期
1994.04.13
申请号
JP19860045820
申请日期
1986.03.03
申请人
SUMITOMO METAL IND
发明人
OGAWA YUTAKA
分类号
B21B1/02;B21B1/00;B21B1/46;B21B3/00;B22D11/12;B22D11/124;C21D8/00;(IPC1-7):C21D8/00
主分类号
B21B1/02
代理机构
代理人
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地址
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