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发明名称
摘要
申请公布号	JPS6145204(Y2)	申请公布日期	1986.12.19
申请号	JP19830029480U	申请日期	1983.02.28
申请人		发明人
分类号	E01B25/12;(IPC1-7):E01B25/12	主分类号	E01B25/12
代理机构		代理人
主权项
地址

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