| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a plastic corrugated board returnable box repeatedly reusable many times for carrying a filter material pack or an air filter. <P>SOLUTION: The plastic corrugated board returnable box uses a hook-and-loop fastener 17 so as to be repeatedly reusable many times, by being put in an assembling state when carrying the filter material pack or the air filter, and sending back in a folding-up state after carrying. <P>COPYRIGHT: (C)2012,JPO&INPIT |
