Movable bed stratifier with constant pneumatic current,申请号US19540432199-传众专利搜索

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发明名称	Movable bed stratifier with constant pneumatic current
摘要
申请公布号	US2803346(A)	申请公布日期	1957.08.20
申请号	US19540432199	申请日期	1954.05.25
申请人	DAVID WESTON;MACPHERSON ARTHUR R	发明人	WESTON DAVID;MACPHERSON ARTHUR R.
分类号	B03B4/02	主分类号	B03B4/02
代理机构		代理人
主权项
地址

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