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发明名称	Powdered catalyst recovery
摘要
申请公布号	US2311978(A)	申请公布日期	1943.02.23
申请号	US19400343086	申请日期	1940.06.29
申请人	STANDARD OIL COMPANY	发明人	CONN ARTHUR L.
分类号	B01J8/18	主分类号	B01J8/18
代理机构		代理人
主权项
地址

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