METHOD OF EXCAVATING CAVITY,申请号JP19790157945-传众专利搜索

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发明名称	METHOD OF EXCAVATING CAVITY
摘要
申请公布号	JPS5681794(A)	申请公布日期	1981.07.04
申请号	JP19790157945	申请日期	1979.12.07
申请人	NISHIMATSU CONSTR CO LTD	发明人	YOSHIDA HIROSHI
分类号	E21D9/00;E21D9/04;E21D9/06	主分类号	E21D9/00
代理机构		代理人
主权项
地址

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