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发明名称
APPARAT FOR TRENING OCH INLERNING AV OGONSPEGLING
摘要
A long hollow body (1) has an aperture at one end (6) for passage of light to a light-transmitting and receiving instrument. At the other end of the appts. and inside the body is a picture plane (11, 12) facing the aperture (6).
申请公布号
SE8700926(D0)
申请公布日期
1987.03.05
申请号
SE19870000926
申请日期
1987.03.05
申请人
AKE * BJORK;OLLE * BJORK
发明人
AKE * BJORK;OLLE * BJORK
分类号
G09B19/24;G09B23/28
主分类号
G09B19/24
代理机构
代理人
主权项
地址
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