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发明名称
摘要
申请公布号
JPS544811(Y2)
申请公布日期
1979.03.01
申请号
JP19710084884U
申请日期
1971.09.20
申请人
发明人
分类号
E04B1/26;E04B1/58;(IPC1-7):E04B1/26
主分类号
E04B1/26
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代理人
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