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发明名称
摘要
申请公布号
JPS58105262(U)
申请公布日期
1983.07.18
申请号
JP19820001939U
申请日期
1982.01.11
申请人
发明人
分类号
G04B23/02;A47C7/72;G04B47/00;(IPC1-7):A47C7/72
主分类号
G04B23/02
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