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申请公布号
JPS5618304(B2)
申请公布日期
1981.04.28
申请号
JP19780157894
申请日期
1978.12.18
申请人
发明人
分类号
B21J15/26;B21J15/00;B21J15/02;B21J15/16;B21J15/36
主分类号
B21J15/26
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