| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging bag easy to open. SOLUTION: This packaging bag is formed for sealing a content by folding a rectangular packaging sheet and by sealing the three sides of one side face 2 and the other side face 3. The face 2 is so folded that it becomes shorter than the face 3, and at the end part 5 on the opposite side of a folded part 4, the face 2 and the face 3 are not sealed.
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