Produit et procédé pour la fabrication d'ardoises artificielles,申请号FRD684491-传众专利搜索

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发明名称	Produit et procédé pour la fabrication d'ardoises artificielles
摘要
申请公布号	FR684491(A)	申请公布日期	1930.06.26
申请号	FRD684491	申请日期	1929.02.06
申请人	SOCIETE LIBRAIRIE HACHETTE	发明人
分类号	B43L1/02	主分类号	B43L1/02
代理机构		代理人
主权项
地址

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