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发明名称
摘要
申请公布号
JPS62163209(U)
申请公布日期
1987.10.16
申请号
JP19860049823U
申请日期
1986.04.04
申请人
发明人
分类号
E04B2/90;E04B2/88;E04B2/94;(IPC1-7):E04B2/90;E04B1/40
主分类号
E04B2/90
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