| 摘要 |
PROBLEM TO BE SOLVED: To provide frame legs for manufacturing different case bodies having two kinds of structures by arranging the same frame legs at the four corners of the case body by changing the direction horizontally and vertically. SOLUTION: A drain frame 2 is formed at one corner of a rectangular frame- shaped hollow frame main body 1, and a projecting part 3 is formed at a corner opposed to the one corner on a diagonal line so as to be symmetrical to the drain frame 2.
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