ROTARY SCRAPER SYSTEM FOR HOPPER(PYRAMIDAL)BOTTOMED TANKS,申请号GB19890005238-传众专利搜索

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发明名称	ROTARY SCRAPER SYSTEM FOR HOPPER(PYRAMIDAL)BOTTOMED TANKS
摘要
申请公布号	GB8905238(D0)	申请公布日期	1989.04.19
申请号	GB19890005238	申请日期	1989.03.08
申请人	MIDGLEY, WILLIAM B	发明人
分类号	B01D21/18;B01D21/20	主分类号	B01D21/18
代理机构		代理人
主权项
地址

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