| 摘要 |
PROBLEM TO BE SOLVED: To save construction by eliminating work forming a mounting hole for mounting a luminaire in a ceiling member, and simplifying work for mounting the luminaire with a mounting bolt or the like. SOLUTION: A stop 30 detachably engaging from the upper side of a supporting beam (a raceway or the like) 50 is installed on the top surface of a luminaire body 10, and the luminaire is engaged with the ceiling member. COPYRIGHT: (C)2004,JPO&NCIPI
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