| 摘要 |
PROBLEM TO BE SOLVED: To provide a laser level capable of being inexpensively and simply used. SOLUTION: The laser level arrangeable on a reference surface comprises a housing, a first laser diode arranged on the housing, for emitting a first laser beam along a first course, a first lens arranged on the first course in the housing, for converting the first laser beam into a first flat surface beam forming a first line on the reference surface, and at least one small bubble bottle on the housing, wherein the housing is supported by the reference surface with the first line of the laser beam formed thereon. COPYRIGHT: (C)2006,JPO&NCIPI
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