It is a set of parallel black and white lines, with a row of about 20 numbers underneath.
It's a PDF417 barcode.
look-up UPC code
A barcode reader (or barcode scanner) is an electronic device for reading printed barcodes.A bar code scanner reads bar codes.Bar codes contain data, typically numeric or alphanumeric data. While bar codes may all look the same to people, the data and even the "symbologies" are different. A bar code symbology is sort of like the language of the bar code, and there are many types: UPC, EAN, Code 39 (also called 3 of 9) and many others.
what did the code look like and how did it work??
Like this ▅▆▇█████▇▆▅
Look on the case near the bar code.
There are several companies that make hand held bar code readers. You can even get an app for your smart phone that will read bar codes. A major manufacturer of bar code reader is Motorola (they bought "Symbol" the leading bar code reader company a while back). Look at: http://www.motorola.com/Business/US-EN/Business+Product+and+Services/Bar+Code+Scanning
Office supply stores like Office Depot and Staples will carry bar code printers. There are also several online dealers that can ship a bar code printer directly to your business.
yes. look it up on google
sway bar
That would depend if your code is a published code (most bar codes are). If this is the case then there are web places to look up what the code is linked to. See the related link below for one possible example.
A bar code is typically made up of digits ranging from 0 to 9, representing numerical values. The most common bar code formats, like UPC (Universal Product Code) and EAN (European Article Number), use a specific arrangement of these digits to encode product information. Additionally, bar codes can also include other elements like letters and special characters, depending on the type of bar code system used.