EARTH AND SAND DISCHARGE DEVICE OF DAM,申请号JP19780042848-传众专利搜索

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发明名称	EARTH AND SAND DISCHARGE DEVICE OF DAM
摘要
申请公布号	JPS54135433(A)	申请公布日期	1979.10.20
申请号	JP19780042848	申请日期	1978.04.12
申请人	IBARAKI YOUICHI	发明人	IBARAKI YOUICHI
分类号	E02F3/88;E02B8/02	主分类号	E02F3/88
代理机构		代理人
主权项
地址

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