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申请公布号
JPS5411189(U)
申请公布日期
1979.01.24
申请号
JP19770083817U
申请日期
1977.06.24
申请人
发明人
分类号
E01F9/00;E01F9/015;E01F9/018;(IPC1-7):E01F9/01
主分类号
E01F9/00
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