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发明名称
摘要
申请公布号
JPS589813(B2)
申请公布日期
1983.02.23
申请号
JP19780029681
申请日期
1978.03.14
申请人
SUMITOMO METAL IND
发明人
OOTANI YASUO;SAKAI TOSHIO;NAKASE KAZUO;OOHIRA NAOKI
分类号
C22C38/00;B21J1/06;C21D6/00;C21D8/00;C22C38/12
主分类号
C22C38/00
代理机构
代理人
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