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发明名称
摘要
申请公布号
JPS5528667(U)
申请公布日期
1980.02.25
申请号
JP19780111346U
申请日期
1978.08.14
申请人
发明人
分类号
B25D17/14;E01C19/34;(IPC1-7):E01C19/34
主分类号
B25D17/14
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