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发明名称
摘要
申请公布号	JPS53132704(U)	申请公布日期	1978.10.20
申请号	JP19770038023U	申请日期	1977.03.28
申请人		发明人
分类号	E02F9/12;(IPC1-7):E02F9/12;E02F3/62	主分类号	E02F9/12
代理机构		代理人
主权项
地址

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