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发明名称
Auf Zeichenstaeben, Reissschienen u. dgl. zu befestigende, zum Ziehen von parallelen Linien dienende Vorrichtung
摘要
申请公布号
DE652244(C)
申请公布日期
1937.10.27
申请号
DE1936G092500D
申请日期
1936.03.21
申请人
DR. GRAF G.M.B.H.
发明人
分类号
B43L13/24
主分类号
B43L13/24
代理机构
代理人
主权项
地址
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