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发明名称
摘要
申请公布号
JPS5885689(U)
申请公布日期
1983.06.10
申请号
JP19810181003U
申请日期
1981.12.03
申请人
发明人
分类号
E03D1/06;(IPC1-7):E03D1/06
主分类号
E03D1/06
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