Elevator suspension standard
Mechanical engineering (New York, N.Y. 1919), 2010-11, Vol.132 (11), p.12COPYRIGHT 2010 American Society of Mechanical Engineers ;COPYRIGHT 2010 American Society of Mechanical Engineers ;Copyright American Society of Mechanical Engineers Nov 2010 ;ISSN: 0025-6501 ;EISSN: 1943-5649 ;CODEN: MEENAH
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