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SHANDONG NEW BEIYANG INFORMATION TECHNOLOGY CO., L
| SHANDONG NEW BEIYANG INFORMATION TECHNOLOGY CO., L Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110170211 | DEVICE AND METHOD FOR CONTROLLING BIT DENSITY OF MAGNETIC CARD - A device and a method for controlling a bit density of a magnetic card ( | 07-14-2011 |