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发明名称
摘要
申请公布号
JPS5221973(U)
申请公布日期
1977.02.16
申请号
JP19750107574U
申请日期
1975.08.01
申请人
发明人
分类号
A47G21/00;A47G21/04;(IPC1-7):A47G21/04
主分类号
A47G21/00
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代理人
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