| 摘要 |
PROBLEM TO BE SOLVED: To provide a lid for a ceiling inspection hole capable of being firmly fixed in place and easy to install and remove. SOLUTION: The lid 10 for a ceiling inspection hole is removably mounted in an inspection hole 3 bored through a ceiling panel 2, and has a U-shaped piece 11 formed on at least one side thereof, the U-shaped piece being insertable into the inner edge of the inspection hole 3.
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