| 摘要 |
PROBLEM TO BE SOLVED: To provide a thin body, a scoring blade and a scoring device extremely effective for simplifying, highly efficiently performing and automating a multiple folding work and reducing cost. SOLUTION: Folds P11 to P14 for crest folding and folds V11 to V13 for trough folding are provided. The folds P11 to P14 for crest folding and the folds V11 to V13 for trough folding are working marks imparted on a front surface and a rear surface, have zigzag patterns and are alternately arranged.
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