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发明名称
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申请公布号
JPS5075166(A)
申请公布日期
1975.06.20
申请号
JP19730125211
申请日期
1973.11.06
申请人
发明人
分类号
B21C1/00;B21C3/02;B21D11/14;B21D11/16;B21F7/00;F21V5/06
主分类号
B21C1/00
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