APPARATUS FOR MAKING GAS-BLEEDING HOLE THROUGH COAL CHARGED TO COKE OVEN,申请号JP19900119084-传众专利搜索

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发明名称	APPARATUS FOR MAKING GAS-BLEEDING HOLE THROUGH COAL CHARGED TO COKE OVEN
摘要
申请公布号	JPH0415291(A)	申请公布日期	1992.01.20
申请号	JP19900119084	申请日期	1990.05.08
申请人	SUMITOMO METAL IND LTD	发明人	SAJI TAKAFUMI
分类号	C10B37/06	主分类号	C10B37/06
代理机构		代理人
主权项
地址

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