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IMPROVED AIR CUSHION BACKPACK AND LAPTOP SLEEVE EQUIPPED WITH A PAIR OF SHOULDER STRAPS
IMPROVED AIR CUSHION BACKPACK AND LAPTOP SLEEVE EQUIPPED WITH A PAIR OF SHOULDER STRAPS
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机译:配有一对肩带的改进型气垫背包和膝上型电脑袖子
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摘要
PURPOSE: An improved air cushion backpack and laptop sleeve is provided to achieve an air cushion configuration in order to protect a laptop computer carried in a backpack or sleeve.;CONSTITUTION: An improved air cushion backpack and laptop sleeve comprises: a first front wall(20); a second front wall(22) forming a front pocket along with the first front wall; a rigid board(26); a pair of shoulder strips which are connected to one or more front walls; a load-bearing unit connected to one or more front walls; a bladder(28) covering the front of the board; a pair of tube type extension part expanding and contracting the bladder; an oral cavity expansion type closed check valve; a valve cover; and a pair of semi-rigid liners.;COPYRIGHT KIPO 2011
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