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发明名称
摘要
申请公布号	JPS57136491(U)	申请公布日期	1982.08.25
申请号	JP19810020545U	申请日期	1981.02.18
申请人		发明人
分类号	E02B15/04;C02F1/40;(IPC1-7):C02F1/40	主分类号	E02B15/04
代理机构		代理人
主权项
地址

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