METHOD OF IMPROVING ULTRAAWEAK GROUND AND ITS DEVICE,申请号JP19770067785-传众专利搜索

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发明名称	METHOD OF IMPROVING ULTRAAWEAK GROUND AND ITS DEVICE
摘要
申请公布号	JPS543321(A)	申请公布日期	1979.01.11
申请号	JP19770067785	申请日期	1977.06.10
申请人	ICHIKAWA SEINI	发明人	ICHIKAWA SEINI
分类号	E02D3/12	主分类号	E02D3/12
代理机构		代理人
主权项
地址

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