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发明名称
摘要
申请公布号
JPH0327491(U)
申请公布日期
1991.03.19
申请号
JP19890087377U
申请日期
1989.07.25
申请人
发明人
分类号
D06F57/12;(IPC1-7):D06F57/12
主分类号
D06F57/12
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代理人
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