Perfectionnements à la fabrication de la cellulose,申请号FRD773815-传众专利搜索

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发明名称	Perfectionnements à la fabrication de la cellulose
摘要
申请公布号	FR773815(A)	申请公布日期	1934.11.26
申请号	FRD773815	申请日期	1934.05.30
申请人		发明人	DREYFUS HENRY
分类号	D21C7/14	主分类号	D21C7/14
代理机构		代理人
主权项
地址

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