BACKKFILLING EXECUTING METHOD,申请号JP19800010407-传众专利搜索

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发明名称	BACKKFILLING EXECUTING METHOD
摘要
申请公布号	JPS56108497(A)	申请公布日期	1981.08.28
申请号	JP19800010407	申请日期	1980.01.30
申请人	SANYO CHEMICAL IND LTD	发明人	SAJI TOSHIHIRO;NAGATA YUUSABUROU
分类号	E21D11/00	主分类号	E21D11/00
代理机构		代理人
主权项
地址

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