Fabrication de bandes destinées à la reproduction phonographique,申请号FRD856293-传众专利搜索

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发明名称	Fabrication de bandes destinées à la reproduction phonographique
摘要
申请公布号	FR856293(A)	申请公布日期	1940.06.10
申请号	FRD856293	申请日期	1939.02.22
申请人	SOCIETE DES VERNIS PYROLAC	发明人
分类号	B29D17/00	主分类号	B29D17/00
代理机构		代理人
主权项
地址

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