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发明名称
摘要
申请公布号	JPS5532843(B2)	申请公布日期	1980.08.27
申请号	JP19710090607	申请日期	1971.11.15
申请人		发明人
分类号	E02B3/18;E02D3/00	主分类号	E02B3/18
代理机构		代理人
主权项
地址

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