| 摘要 |
PURPOSE:To make out a bar code card by using a punch card for information processing by punching the bar code card using in the assembling stage of an automobile partially twice. CONSTITUTION:Digits of the punch card 5a for information processing are used longitudinally, and one longitudinal digit is positioned at the punch hole position of a thin bar code 3; and an area of two adjacent digits is positioned at the punch hole position of a thick bar code 4. Therefore, the thin bar code 3 and thick bar code 4 are in 1:2 thickness proportion. When the bar codes 3 and 4 are punched, punching is performed twice. Consequently, an existent card punching device and the punch card for information are used to make out a bar code card used for the assembling stage of an automobile. |
