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发明名称
摘要
申请公布号
JPS4322971(Y1)
申请公布日期
1968.09.28
申请号
JP19660030094U
申请日期
1966.04.04
申请人
发明人
分类号
B21C47/20;B65H49/10;B65H59/06;(IPC1-7):B65H49/10
主分类号
B21C47/20
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