| http://www.w3.org/ns/prov#value | - y cost is increased.SUMMARY OF THE INVENTIONFor allowing an electronic device to be coupled to or detached from a portable removable rack, the present invention is proposed.The main object of the present invention is to provide a rack body with an engaging mechanism, allowing an article such as an electronic device to be separated from or retained in a rack body more easily and fast by means of a
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