an invention is made up of the invention Norman Joseph Woodland Bernard Silver and two alumni of Technology Drexel Institute in Philadelphia, United States that sparks of the invention bar code starting from Wallace Flint from Harvard Business School in the year.1932, he was proposed to select the items you want to use from the list by บัตรเจาะรู to divide the same category, but the idea that they don't have been interwoven
Until Bernard Silver which at that moment is also a student happened to hear Chairman of the Company is a retail consumer goods in the city of Philadelphia, consult the Dean,to make it more convenient for the retail business in the stock and with the Bernard is not listening to the right ear, left ear pierced him, and he brought it back to the hearing and urged him to think I am a disciple Norman Joseph Woodland came together to make dreams come true
in the year.Both of them were born, 1952 bar code after attempting to try it for several years, and has a patent on the day of October 7 of this year, the bar code type of the first and second production.but it looks as if the Spa A target with white circle overlap several circles on the floor after dark, but works at that time, that it is still not as much as they should be, yet the two stores retail chain in the city Kroger ซินซิน, Ohio.I took the bar code, the spa aims to use this is the first in the world.Prof.
was later developed Bar Code, and the inventor of the barn owl, Bar Code, and use it for the first time in the world that Marsh' s supermarket in June last year.1974 and on the day of the month 26 chewing gum Juicy Fruit Wrigley' s was one of the first in the world has become a product that has been scan bar codes because it is one of the first products that have been picked up from the wheelchair first customer of the restaurant on the day that
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