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发明名称
摘要
申请公布号
JPS425139(Y1)
申请公布日期
1967.03.16
申请号
JP19640097750U
申请日期
1964.12.16
申请人
发明人
分类号
B21C47/34;B65H23/14;B65H23/16;B65H51/32;(IPC1-7):B21C47/34
主分类号
B21C47/34
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