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发明名称
摘要
申请公布号
JPS4610856(Y1)
申请公布日期
1971.04.15
申请号
JP19670026913U
申请日期
1967.03.31
申请人
发明人
分类号
(IPC1-7):E02B17/04
主分类号
(IPC1-7):E02B17/04
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