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发明名称
摘要
申请公布号
JP2510907(Y2)
申请公布日期
1996.09.18
申请号
JP19890088851U
申请日期
1989.07.27
申请人
发明人
分类号
E03F5/10;(IPC1-7):E03F5/10
主分类号
E03F5/10
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