There's a 6-digit number on the right at 0:43. First 3 digits indicates which fan was made on that day and/or made in that month and day. 253 indicates that this fan was made on the 253rd day on 1997 or made on September 10, 1997. Last 3 digits "130" indicates which fan came out of its plant line.
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There's a 6-digit number on the right at 0:43. First 3 digits indicates which fan was made on that day and/or made in that month and day. 253 indicates that this fan was made on the 253rd day on 1997 or made on September 10, 1997. Last 3 digits "130" indicates which fan came out of its plant line.
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