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发明名称
摘要
申请公布号
JPS4845455(Y1)
申请公布日期
1973.12.27
申请号
JP19700095096U
申请日期
1970.09.24
申请人
发明人
分类号
A47L9/00;D06F39/00;D06F39/08;D06F39/12;(IPC1-7):D06F39/08
主分类号
A47L9/00
代理机构
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