| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil supply device 1 which provides a customer with services without so that the customer may not pass up oil change timing. SOLUTION: The oil supply device is provided with a means 16 for storing customer data for identifying the customer, traveling distance, and a date in exchanging engine oil of an automobile and a data extraction means for surmising whether or not it is the time for a predetermined oil change timing from the traveling distance and the date stored in the storage means 16 and reading the customer data in the oil change timing. COPYRIGHT: (C)2007,JPO&INPIT
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