Sembra che sia la denominazione di una particolare serie di paranchi:


Electric Chain Hoists - S3 Series
Electric Chain Hoists - S3 Series. Experience Complete Innovation. ... The superb new
series of S3 electric chain hoists is a further example of our proven pedigree. ...
http://www.lemans-nederland.nl/Engels/products/HOISTS/Morris...

Morris Material Handling - Loughborough - Engineering - - Morris ...
... application. The S3 range electric chain hoists offer Morris reliability
and quality combined with high basic specifications. The ...
http://www.applegate.co.uk/engineering/company/co_25814.htm

Jib Cranes
... Uses proven S3 Chain Hoist or 400 Series Wire Rope Hoist. Pedestal and wall mounted
jibs available. Custom jibs designed to meet specific requirements. ...
http://www.emc.com.sa/cranes/jib/jib.htm


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Note added at 8 mins (2004-08-04 21:23:01 GMT)
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\"PARANCHI ELETTRICI A CATENA S3 E A GRANDE PORTATA\"