Hilfsgerät für Zeichenarbeiten,申请号ATD169301-传众专利搜索

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发明名称	Hilfsgerät für Zeichenarbeiten
摘要
申请公布号	AT169301(B)	申请公布日期	1951.11.10
申请号	ATD169301	申请日期	1949.12.09
申请人	HANS MILLET	发明人	HANS MILLET
分类号		主分类号
代理机构		代理人
主权项
地址

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