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发明名称
摘要
申请公布号
JP2549595(Y2)
申请公布日期
1997.09.30
申请号
JP19910106988U
申请日期
1991.12.25
申请人
发明人
分类号
E04D13/08;E04D13/068;(IPC1-7):E04D13/068
主分类号
E04D13/08
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