METHOD OF DISCHARGING EARTH AND SAND IN AIRTIGHT CONDITIONS AND ITS DEVICE,申请号JP19780069459-传众专利搜索

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发明名称	METHOD OF DISCHARGING EARTH AND SAND IN AIRTIGHT CONDITIONS AND ITS DEVICE
摘要
申请公布号	JPS54160010(A)	申请公布日期	1979.12.18
申请号	JP19780069459	申请日期	1978.06.08
申请人	KIDO KENSETSU KOGYO	发明人	KIMURA KOUICHI;TSUJI KEIJIROU
分类号	E21D9/06;E21D9/13	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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