The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Application No. | Application Title | Issue Date |
| 20100128179 | DISPLAY APPARATUS USING EXTERNAL DEVICE CONNECTION UNIT AND METHOD OF DETERMINING FORMAT OF INPUT IMAGE THEREOF A display apparatus connected to an external device through a connection unit and a method of determining the format of an input image uses a connection unit to be connected to an external device and determines the format of a video signal input through the connection u... | 05/27/2010 |