| 摘要 |
PROBLEM TO BE SOLVED: To provide a printed circuit board wherein it can be easily identified whether or not all parts necessary to be replaced are changed when the printed circuit board is reused. SOLUTION: In the printed circuit boar 1 wherein mounting parts are replaceable, when the printed circuit board 1 is reused, a mounting part 2 that is mounted on the printed circuit board 1 and a new one 3 to be served for the mounting part 2 are made different from each other in terms of appearance. COPYRIGHT: (C)2005,JPO&NCIPI
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