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发明名称
摘要
申请公布号
JPS4632612(Y1)
申请公布日期
1971.11.10
申请号
JP19680018819U
申请日期
1968.03.11
申请人
发明人
分类号
(IPC1-7):A47L9/32
主分类号
(IPC1-7):A47L9/32
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代理人
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地址
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