| 摘要 |
PROBLEM TO BE SOLVED: To provide a device supporting unit base provided with an upper surface for supporting a device such as an engine arranged thereon, which is improved in maintenance property, in which device replacement operation is easily performed without useless obstacles, and extracting operation of oil is also easily performed. SOLUTION: The device supporting unit base 1 provided with the upper surface for supporting the device arranged thereon has an upwardly projecting shape. The upper surface for supporting the device is constituted as an upper tray part 2b formed smoothly in a tray shape, so that the device is moved and removed horizontally along the upper tray part 2b. COPYRIGHT: (C)2011,JPO&INPIT
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