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发明名称
摘要
申请公布号
JPS52112675(U)
申请公布日期
1977.08.26
申请号
JP19760020720U
申请日期
1976.02.24
申请人
发明人
分类号
D06F3/02;D06F39/00;(IPC1-7):D06F3/02
主分类号
D06F3/02
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代理人
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