American standard safety code for elevators, dumbwaiters and escalators : covering their design, construction, installation, operation, inspection, testing, maintenance, alteration and repair /
| Συγγραφή απο Οργανισμό/Αρχή: | |
|---|---|
| Μορφή: | Βιβλίο |
| Γλώσσα: | English |
| Έκδοση: |
New York :
The American Society of Mechanical Engineers,
1960
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| Θέματα: |