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This is one section connects successively helps oneself to escape the ladder, the foldaway depositing way installs in the window or the balcony place above, in crisis situation, so long as hits its switch upwardly, helps oneself to escape the ladder then automatically to get down. Escaped the ladder also to equip the safety belt equipment, could help the human safely to flee dangerous scene
Guang Dong Industry Technical Colle
Guangdong Province, China
GueiYuanlong
Guang Dong Industry Technical Colle
Guangdong Province, China
LaiChunming LiFeipeng HeHuijiao