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05.05.30
PLL
PART NO. MANUFACTURER'S MARK AND LOT NO. 12 11 10 9 (PART NO.) 13 14 1 D1 2 3 2 3 4 7.8±0.2 5 7 6 8 6.0±0.2 Lot No. D: Factory Code 1: End figure of the Christian Era. 2, 3: Week