| 摘要 |
PROBLEM TO BE SOLVED: To efficiently perform high lift work in a safe and stable scaffold wherein a danger of explosion is restricted and the work is easily performed. SOLUTION: This explosion-proof workshop is provided with a working lift device 2 on a vertical wall surface 1, and the working lift device 2 is provided with a three-way moving means 9 for moving an output unit 8 in any one of three directions of x-axis, y-axis and z-axis directions with driving force by air, and the output unit 8 is provided with a boarding part 10. COPYRIGHT: (C)2005,JPO&NCIPI
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