| 摘要 |
PROBLEM TO BE SOLVED: To provide a marker device capable of displaying much data on a small area, and a display method thereof. SOLUTION: In the marker device having a stamping surface for stamping data on a molded product and equipped with the cylindrical second marker fitted to the outside of the columnar first marker centering around the first marker, the first marker is detachable with respect to the second marker, an arrow mark is provided at a position for dividing the stamping surface of the first marker into two parts and a first mark is stamped on both side surfaces or one side of the arrow mark to display the data by the first mark of the first marker and the second mark of the second marker corresponding to the arrow mark of the first marker. COPYRIGHT: (C)2006,JPO&NCIPI
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