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发明名称
摘要
申请公布号
JPS585760(Y2)
申请公布日期
1983.01.31
申请号
JP19770105125U
申请日期
1977.08.08
申请人
发明人
分类号
E21D9/13;E21D9/06;E21D9/12;G05B13/00;G05B13/02;(IPC1-7):E21D9/06
主分类号
E21D9/13
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代理人
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