官方查询地址:
https://selfsolve.apple.com/agreementWarrantyDynamic.do?newid=yMacBook Air (11-inch, Mid 2012)
Serial Number: C02JD0GBDRV7
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Valid Purchase Date
A validated purchase date lets Apple quickly find your product and provide the help you need.
Telephone Technical Support: Active
Your product is eligible for complimentary telephone technical support during the first 90 days.
Estimated Expiration Date: June 13, 2013
More about complimentary support
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Repairs and Service Coverage: Active
Your product is covered for eligible hardware repairs and service under Apple's Limited Warranty.
Estimated Expiration Date: March 14, 2014