| 摘要 |
PROBLEM TO BE SOLVED: To enhance mountability of an air filter to a casing. SOLUTION: The air filter 10 comprises a square shaped filter frame 11 and a filter medium 20 disposed inside the filter frame 11. Grips 42 are attached on an inner peripheral face of the filter frame 11. The grips 42 are disposed to a one opening part 18A side of the filter frame 11 rather than the filter medium. COPYRIGHT: (C)2008,JPO&INPIT
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