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发明名称
摘要
申请公布号
JPS57194504(U)
申请公布日期
1982.12.09
申请号
JP19810081542U
申请日期
1981.06.04
申请人
发明人
分类号
F24F7/00;E04B1/70;E04D13/15;E04D13/152;E04D13/158;E04D13/16;F24F13/02;F24F13/068;(IPC1-7):E04B1/70
主分类号
F24F7/00
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代理人
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