| 摘要 |
PROBLEM TO BE SOLVED: To provide a cheap decking beam with a save resource by only exchanging an engagement part of the decking beam particularly easy to damage without requiring to exchange the whole decking beam in a regression prevention device of baggage. SOLUTION: An engagement part of a decking beam is not provided on a guide frame, but an engagement unit provided with an engagement part is fixed to a guide frame by a bolt, etc.
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