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发明名称
摘要
申请公布号
JPS5312829(U)
申请公布日期
1978.02.02
申请号
JP19770090839U
申请日期
1977.07.11
申请人
发明人
分类号
B21H1/22;B21H1/00;(IPC1-7):B21H1/00
主分类号
B21H1/22
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代理人
主权项
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