| 摘要 |
PURPOSE: A knapsack type power working machine is provided to facilitate a transfer process by stabilizing the center of gravity of a main body. CONSTITUTION: A lower unit(3) includes a first surface(6a). The first surface faces the back of the worker. An upper unit(4) includes a second surface(10a). The upper unit is rotatably connected to the upper side of the lower unit. A locking unit controls the rotation or non-rotation of the upper unit and the lower unit.
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