MEMBRANA CONSISTINDO DE UMA ESTRUTURA MICROPOROSA QUE TEM PROPRIEDADES SEMIPERMEAVEIS,E PROCESSO PARA PRODUZIR A MESMA,申请号BR19770006468-传众专利搜索

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发明名称	MEMBRANA CONSISTINDO DE UMA ESTRUTURA MICROPOROSA QUE TEM PROPRIEDADES SEMIPERMEAVEIS,E PROCESSO PARA PRODUZIR A MESMA
摘要
申请公布号	BR7706468(A)	申请公布日期	1978.07.18
申请号	BR19770006468	申请日期	1977.09.28
申请人	PHARMACO INC	发明人	SPIEGELMAN S;WRASIDLO W
分类号	B01D65/00;B01D71/62;B01D71/64;C08G73/06;C12H1/075;(IPC1-7):B01D39/16	主分类号	B01D65/00
代理机构		代理人
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