User-agent: Googlebot
Disallow: /product_details.asp 
User-agent: Googlebot
Disallow: /list_brands.asp
User-agent: Googlebot
Disallow: /list_categories.asp
User-agent: Googlebot
Disallow: /list_spMainCats.asp 
User-agent: Googlebot
Disallow: /list_spSubCats.asp 
User-agent: Googlebot
Disallow: /list_types.asp
User-agent: Googlebot
Disallow: /model_search.asp