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发明名称
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申请公布号
JPS56155267(U)
申请公布日期
1981.11.19
申请号
JP19800055158U
申请日期
1980.04.21
申请人
发明人
分类号
F24J2/04;E04D13/00;E04D13/18;(IPC1-7):F24J3/02
主分类号
F24J2/04
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