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发明名称
摘要
申请公布号
JPS4736779(U)
申请公布日期
1972.12.23
申请号
JP19710037471U
申请日期
1971.05.10
申请人
发明人
分类号
A47K7/00;(IPC1-7):A47K7/00
主分类号
A47K7/00
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代理人
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