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2011, vol.59, no.1	2011, vol.59, no.10	2011, vol.59, no.11	2011, vol.59, no.12	2011, vol.59, no.2	2011, vol.59, no.3
2011, vol.59, no.4	2011, vol.59, no.5	2011, vol.59, no.6	2011, vol.59, no.7	2011, vol.59, no.8	2011, vol.59, no.9

题名	作者	出版年	年卷期
Hoists, Teagles and Safety in the Early 20th Century, Conclusion	Lee Gray	2011	2011, vol.59, no.12
The L'Altra Sede	Roberto Rossi	2011	2011, vol.59, no.12
Elevator Drives, Power Quality and Energy Savings	Jonathan Bullick; Brad Wilkinson	2011	2011, vol.59, no.12