Method of conveying granular solids,申请号US19500157787-传众专利搜索

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发明名称	Method of conveying granular solids
摘要
申请公布号	US2712476(A)	申请公布日期	1955.07.05
申请号	US19500157787	申请日期	1950.04.24
申请人	JOHN HAPPEL	发明人	HAPPEL JOHN
分类号	B01J8/18;B01J8/32	主分类号	B01J8/18
代理机构		代理人
主权项
地址

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