Method and device for upgrading waste ballast,申请号GB19990015120-传众专利搜索

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发明名称	Method and device for upgrading waste ballast
摘要
申请公布号	GB9915120(D0)	申请公布日期	1999.09.01
申请号	GB19990015120	申请日期	1998.10.30
申请人	BSR NATURSTEIN-AUFBEREITUNGS GMBH;SNC ECOBALLAST	发明人	CONRADS HELMUT
分类号	E01B27/00	主分类号	E01B27/00
代理机构		代理人
主权项
地址

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