Perfectionnements au traitement des dérivés cellulosiques,申请号FRD679489-传众专利搜索

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发明名称	Perfectionnements au traitement des dérivés cellulosiques
摘要
申请公布号	FR679489(A)	申请公布日期	1930.04.14
申请号	FRD679489	申请日期	1929.07.29
申请人		发明人	DREYFUS HENRY
分类号	D06P1/32;D06P3/40	主分类号	D06P1/32
代理机构		代理人
主权项
地址

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