Page is a not externally linkable
g1smd - 8:26 am on Feb 15, 2012 (gmt 0)
www.example.com.au/sub-directory/product-name/location/code|code|code|code
If the extra code pieces are for detailing alternative or upsell products, including that stuff in the URL leads to massive amounts of duplicate content and also to broken pages when related products go out of stock.