Procédé et dispositif pour la fabrication de couvercles destinés notamment aux boîtes de conserve, avec un fil de déchirement disposé entre un anneau de couvercle extérieur et une plaque de couvercle intérieure,申请号FRD844732-传众专利搜索

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发明名称	Procédé et dispositif pour la fabrication de couvercles destinés notamment aux boîtes de conserve, avec un fil de déchirement disposé entre un anneau de couvercle extérieur et une plaque de couvercle intérieure
摘要
申请公布号	FR844732(A)	申请公布日期	1939.07.31
申请号	FRD844732	申请日期	1938.10.14
申请人	GEBRU:DER BU:HLER	发明人
分类号	B21D51/38	主分类号	B21D51/38
代理机构		代理人
主权项
地址

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