FILLING METHOD OF CAVE IN EARTH,申请号JP19910201650-传众专利搜索

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发明名称	FILLING METHOD OF CAVE IN EARTH
摘要
申请公布号	JPH0544400(A)	申请公布日期	1993.02.23
申请号	JP19910201650	申请日期	1991.08.12
申请人	OSAKA GAS CO LTD	发明人	ISHIKAWA JUNJI;MUROTANI SHIGEO
分类号	E21F15/06	主分类号	E21F15/06
代理机构		代理人
主权项
地址

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