SUPPORT APPARATUS OF DRIFT ROOF,申请号JP19790028170-传众专利搜索

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发明名称	SUPPORT APPARATUS OF DRIFT ROOF
摘要
申请公布号	JPS54153701(A)	申请公布日期	1979.12.04
申请号	JP19790028170	申请日期	1979.03.09
申请人	STAFFORD FRANK	发明人	FURANKU KEI SUTATSUFUOODO
分类号	E21D19/04;E21D23/00;E21D23/08	主分类号	E21D19/04
代理机构		代理人
主权项
地址

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