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发明名称
摘要
申请公布号
JPS6322256(Y2)
申请公布日期
1988.06.20
申请号
JP19810111645U
申请日期
1981.07.29
申请人
发明人
分类号
E04D3/366;E04D3/38;(IPC1-7):E04D3/366
主分类号
E04D3/366
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