Perfectionnements aux appareils à dessiner,申请号FRD50622-传众专利搜索

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发明名称	Perfectionnements aux appareils à dessiner
摘要
申请公布号	FR50622(E)	申请公布日期	1941.01.27
申请号	FRD50622	申请日期	1939.05.25
申请人		发明人	BERVILLE SIFFLET DE
分类号	B43L13/08	主分类号	B43L13/08
代理机构		代理人
主权项
地址

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