CHANNEL AND GRATE FOR LOOSE MATERIALS AERATION,申请号CS19890001544-传众专利搜索

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发明名称	CHANNEL AND GRATE FOR LOOSE MATERIALS AERATION
摘要
申请公布号	CS8901544(A1)	申请公布日期	1990.08.14
申请号	CS19890001544	申请日期	1989.03.13
申请人	MRAZ JAROSLAV ING.,CS	发明人	MRAZ JAROSLAV ING.,CS
分类号	A01F25/08;(IPC1-7):A01F25/08	主分类号	A01F25/08
代理机构		代理人
主权项
地址

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