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发明名称
摘要
申请公布号	JPS4418738(Y1)	申请公布日期	1969.08.13
申请号	JP19650106098U	申请日期	1965.12.27
申请人		发明人
分类号	E01B25/18;(IPC1-7):E01B25/18	主分类号	E01B25/18
代理机构		代理人
主权项
地址

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