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发明名称
摘要
申请公布号
JPS5629148(U)
申请公布日期
1981.03.19
申请号
JP19790111014U
申请日期
1979.08.10
申请人
发明人
分类号
E04H6/18;(IPC1-7):E04H6/18
主分类号
E04H6/18
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