Disque en verre trempé pour machines parlantes et procédé de fabrication,申请号FRD753661-传众专利搜索

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发明名称	Disque en verre trempé pour machines parlantes et procédé de fabrication
摘要
申请公布号	FR753661(A)	申请公布日期	1933.10.21
申请号	FRD753661	申请日期	1932.07.28
申请人	SOCIETE D'EXPLOITATION DES VERRERIES DE BAGNEAUX ET APPERT FRERES REUNIES	发明人
分类号	B29C43/02	主分类号	B29C43/02
代理机构		代理人
主权项
地址

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