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发明名称
摘要
申请公布号
JPS5319327(U)
申请公布日期
1978.02.18
申请号
JP19760101779U
申请日期
1976.07.29
申请人
发明人
分类号
E04B1/86;E01B19/00;E01F7/00;E01F8/00;E04B1/82;E04B1/98;(IPC1-7):E01F7/00
主分类号
E04B1/86
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代理人
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