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http://www.4mark.net/story/12385407/https-forum.htc.com-topic-19442-f0-9d-99-86-f0-9d-99-87-f0-9d-99-8824-f0-9d-99-83-f0-9d-99-a4-f0-9d-99-aa-f0-9d-99-a7-what-is-the-24-hour-rule-for-klm-customer_supporthotline