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发明名称
摘要
申请公布号
JPH0347049(Y2)
申请公布日期
1991.10.07
申请号
JP19860097911U
申请日期
1986.06.25
申请人
发明人
分类号
E04D3/35;E04C2/40;E04C5/02;(IPC1-7):E04C2/40
主分类号
E04D3/35
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