Dispositif d'écriture unique donnant un bilan immédiat,申请号FRD1046206-传众专利搜索

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发明名称	Dispositif d'écriture unique donnant un bilan immédiat
摘要
申请公布号	FR1046206(A)	申请公布日期	1953.12.04
申请号	FRD1046206	申请日期	1951.12.07
申请人		发明人	COLLION ALEXANDRE
分类号	B42D12/00	主分类号	B42D12/00
代理机构		代理人
主权项
地址

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