PROBLEM TO BE SOLVED: To deliver petroleum from a designated petroleum store by settling a price by reserving purchase from a consumer at a retail store such as a convenience store, a supermarket, and a department store.;SOLUTION: This petroleum selling system has a card issuing processing device 1 arranged in the retail store A of various commodities, and issuing a petroleum purchase card 9 for offering the purchase of the petroleum by specifying the consumer, a petroleum selling processing machine 2 similarly arranged in the retail store A of the various commodities, and settling the price by inputting purchase reserving information by inserting the issued petroleum purchase card 9 by the consumer, a communication means 3 for transferring the purchase reserving information inputted to this petroleum selling processing machine 2 to the designated petroleum store B, and an information processor 4 arranged in the petroleum store B, and executing processing for selling the petroleum by taking in the transferred purchase reserving information. Thus, the price is settled by reserving the purchase anytime at the retail store A, and the petroleum is delivered from the designated petroleum store B.;COPYRIGHT: (C)2003,JPO
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