| 摘要 |
PROBLEM TO BE SOLVED: To provide a platform for directly unloading cargo thereon, which allows only the cargo to be unloaded. SOLUTION: The platform is so arranged that an upper plate is used instead of an upper roller 3 or an integral type upper roller 29, and a lower plate is used instead of a lower roller 11 or an integral type lower roller 30, so that only the cargo can be directly unloaded. COPYRIGHT: (C)2005,JPO&NCIPI
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