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发明名称
摘要
申请公布号
JPS5348481(Y2)
申请公布日期
1978.11.20
申请号
JP19740083224U
申请日期
1974.07.12
申请人
发明人
分类号
E02D5/48;E02D5/28;E02D5/58;(IPC1-7):E02D5/28
主分类号
E02D5/48
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代理人
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