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发明名称
摘要
申请公布号
JPS5112291(Y2)
申请公布日期
1976.04.02
申请号
JP19730128652U
申请日期
1973.11.07
申请人
发明人
分类号
E02B3/12;E02B3/04;E02B3/06;E02B3/08;E02D3/00;E02D15/10;E02D17/18;E02D31/00;(IPC1-7):E02B3/12
主分类号
E02B3/12
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代理人
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