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发明名称
摘要
申请公布号	JPS4827506(A)	申请公布日期	1973.04.11
申请号	JP19710062550	申请日期	1971.08.19
申请人		发明人
分类号	E02F5/30	主分类号	E02F5/30
代理机构		代理人
主权项
地址

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