مشکل دستور inner join

[sorena2000]

سلام دوستان کسی میدونه مشکل این کد چی هست ؟؟؟
بعد از اجراع این ارورر رو میده .
syntax error missing operator in query expression inner join

select   Tb_Warranty.IdWarranty,

         Tb_Warranty.Serial,

         Tb_Warranty.Warranty,

         Tb_Warranty.Difficulties,

         Tb_Warranty.Appurtenant,

         Tb_Warranty.DateCome,

         Tb_Warranty.DateTamas,

         Tb_Warranty.DateErsal,

         Tb_Warranty.Follow,

         Tb_Customer.Name + '  ' + Tb_Customer.family as fullname,

         Tb_Company.NameCompany,

         Tb_Product.Name

from  ((Tb_Warranty 

inner join Tb_Customer on Tb_Warranty.IdCustomer = Tb_Customer.IdCustomer)

inner join Tb_Company on Tb_Warranty.IDCompany = Tb_Company.IDCompany )

inner join Tb_Product on Tb_Warranty.IdProduct = Tb_Product.IdProduct