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发明名称
摘要
申请公布号
JPS58185613(U)
申请公布日期
1983.12.09
申请号
JP19820083416U
申请日期
1982.06.07
申请人
发明人
分类号
E04H17/14;E01F13/00;E01F15/00;(IPC1-7):E01F15/00
主分类号
E04H17/14
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