| 摘要 |
PROBLEM TO BE SOLVED: To provide a corrugated cardboard box which can prevent corrodentia, larvae of Indian meal moths, flour beetles, spiders from coming in through the gap of its corrugated cardboard structure and prevent foreign matters originated from them from being mixed. SOLUTION: All the cutting faces of this corrugated cardboard box are airtightly sealed. COPYRIGHT: (C)2003,JPO
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