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发明名称
摘要
申请公布号
JPS43375(Y1)
申请公布日期
1968.01.10
申请号
JP19650034260U
申请日期
1965.04.30
申请人
发明人
分类号
B21D5/14;B21C37/18;(IPC1-7):B21D5/14
主分类号
B21D5/14
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