Appareil à nettoyer des tableaux noirs, etc.,申请号FRD753592-传众专利搜索

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发明名称	Appareil à nettoyer des tableaux noirs, etc.
摘要
申请公布号	FR753592(A)	申请公布日期	1933.10.19
申请号	FRD753592	申请日期	1933.04.01
申请人		发明人	HESSLINGER ALFRED
分类号	B43L21/00	主分类号	B43L21/00
代理机构		代理人
主权项
地址

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