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发明名称
摘要
申请公布号
JPS5756834(U)
申请公布日期
1982.04.03
申请号
JP19800130606U
申请日期
1980.09.12
申请人
发明人
分类号
E02D17/20;B32B5/08;(IPC1-7):E02D17/20
主分类号
E02D17/20
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