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发明名称
摘要
申请公布号
JPS4942758(U)
申请公布日期
1974.04.15
申请号
JP19720084411U
申请日期
1972.07.19
申请人
发明人
分类号
A47L9/04;A47L11/32;(IPC1-7):A47L9/04
主分类号
A47L9/04
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