MASS-EXCHANGE COLUMN PACKING,申请号PL19780206780-传众专利搜索

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发明名称	MASS-EXCHANGE COLUMN PACKING
摘要
申请公布号	PL113917(B3)	申请公布日期	1981.01.31
申请号	PL19780206780	申请日期	1978.05.13
申请人		发明人
分类号	B01J;(IPC1-7):B01D53/20	主分类号	B01J
代理机构		代理人
主权项
地址

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