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发明名称
摘要
申请公布号
JP2511379(Y2)
申请公布日期
1996.09.25
申请号
JP19910103785U
申请日期
1991.11.22
申请人
发明人
分类号
E01D19/10;(IPC1-7):E01D19/10
主分类号
E01D19/10
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代理人
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地址
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