| 摘要 |
The present invention refers to a system and a device ( 10 ) for alignment of at least one alignable plane with reference to at least one reference plane. The device includes a main part ( 11 ), a light source ( 18 ) and a number of contact points ( 21 a, 21 b, 21 c), and the light source ( 18 ) is provided to emit a light beam ( 25 ) with a scattering angle in one plane. |
