LARGE SCALE MANUFACTURE OF I GRADE FINE AGGREGATE FROM COARSE SAND,申请号JP19790055398-传众专利搜索

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发明名称	LARGE SCALE MANUFACTURE OF I GRADE FINE AGGREGATE FROM COARSE SAND
摘要
申请公布号	JPS55149164(A)	申请公布日期	1980.11.20
申请号	JP19790055398	申请日期	1979.05.07
申请人	EJIMA MASAYASU	发明人	EJIMA MASAYOSHI
分类号	C04B14/06	主分类号	C04B14/06
代理机构		代理人
主权项
地址

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