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发明名称
摘要
申请公布号
JPH0270810(U)
申请公布日期
1990.05.30
申请号
JP19880147540U
申请日期
1988.11.14
申请人
发明人
分类号
B21C47/34;B65H19/10;(IPC1-7):B21C47/34
主分类号
B21C47/34
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