发明名称 Drawing aid device
摘要 A device enabling a user to reproduce an observed scene on a drawing board support including a first mirror; at least one second mirror, the mirrors being arranged to transmit an image from the support onto an eyepiece in front of which the user can position a first eye; and a secondary support capable of being intercalated between the scene and a second eye to be able to handle a close scene.
申请公布号 US6810591(B2) 申请公布日期 2004.11.02
申请号 US20030459664 申请日期 2003.06.11
申请人 HELLER S. A. 发明人 D'ESTAIS MATHIAS
分类号 B43L13/18;(IPC1-7):B43L13/14 主分类号 B43L13/18
代理机构 代理人
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