Perfectionnement aux appareils à dessiner,申请号FRD979663-传众专利搜索

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发明名称	Perfectionnement aux appareils à dessiner
摘要
申请公布号	FR979663(A)	申请公布日期	1951.04.30
申请号	FRD979663	申请日期	1949.01.26
申请人		发明人	DESORBAY PIERRE
分类号	B43L13/06	主分类号	B43L13/06
代理机构		代理人
主权项
地址

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