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发明名称
摘要
申请公布号
JPS63139890(U)
申请公布日期
1988.09.14
申请号
JP19870032644U
申请日期
1987.03.05
申请人
发明人
分类号
D06F39/04;D06F39/12;(IPC1-7):D06F39/12
主分类号
D06F39/04
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代理人
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