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发明名称
摘要
申请公布号
JPS54670(Y2)
申请公布日期
1979.01.13
申请号
JP19750013283U
申请日期
1975.01.28
申请人
发明人
分类号
E04F19/02;E04B2/56;E04B2/60;(IPC1-7):E04F19/02
主分类号
E04F19/02
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