Class notes
ELEVATORS, LIFTS, ESCALATORS, DUMBWAITERS, HOISTS AND TRAMWAYS
- Course
- Institution
CHAPTER 7. ELEVATORS, LIFTS, ESCALATORS, DUMBWAITERS, HOISTS AND TRAMWAYS Subchap. Sec. A. PRELIMINARY PROVISIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.1 B. PASSENGER ELEVATORS ..................................... 7.51 C. SIDEWALK ELEVATORS .....................
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