| 摘要 |
PROBLEM TO BE SOLVED: To surely notify a worker of manufacturing information, especially, the information on the solder used. SOLUTION: A part or all of manufacturing information indicated with manufacturing drawings are shown in Figure on one or both sides of a printed wiring board, so as to surely notifying a worker of manufacturing information, especially, information of using solder. COPYRIGHT: (C)2005,JPO&NCIPI
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