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申请公布号
JPS55131342(U)
申请公布日期
1980.09.17
申请号
JP19790028114U
申请日期
1979.03.05
申请人
发明人
分类号
E02B3/04;E02D17/20;(IPC1-7):E02D17/20
主分类号
E02B3/04
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