| 摘要 |
PROBLEM TO BE SOLVED: To reduce the number of manufacturing processes and to provide a single-faced corrugated board laminate reduced in weight. SOLUTION: Single-faced corrugated boards 3, each of which has a corrugated sheet 1 of which the amplitude 2 is limited to 10 mm, are laminated to form the single-faced corrugated board laminate 4.
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