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US07890434B2 Portable intelligent shopping device 有权
便携式智能购物设备

Portable intelligent shopping device
摘要:
A method for selling items by a vendor in a shopping venue includes steps of: receiving a first signal from a mobile information processing device, the signal including a list of items of interest; and transmitting a second to the mobile information processing device, the second signal indicating that at least one of the items of interest from the list is available in the shopping venue.
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