| 摘要 |
A corrugated board packaging box including an opening portion which is formed on a front surface portion of a box body, through which commodities are taken in and out. On both sides of the front surface portion, a cut-off portion is formed to be cut off by a cutting line, defined by a vertical supporting member disposed on the intermediate portion of the front surface, and on an edge of the one side of said cut-off portion, a cut-off protrusion is disposed by forming an inclined cutting line.
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