344是深版，但并不属于碳黑，背面细节还是有差异，PMG评级没有分得太细，一律都以“DARK BLACK”标注。碳黑冠号：123.132.213.231.312.321，234.243.324.342.423.432，345.354.435.453.534.543，456.465.546.564.645.654，567.576.657.675.756.765，678.687.768.786.867.876，789.798.879.897.978.987，890.809.089.098.908.980，901.910.019.091.109.190，012.021.102.120.201.210，135.153.315.351.513.531，357.375.537.573.735.753，579.597.759.795.957.975，791.719.179.197.917.971，913.931.139.193.319.391，246.264.426.462.624.642，468.486.648.684.846.864，680.608.068.086.806.860，802.820.028.082.208.280，024.042.204.240.402.420，124.142.214.241.412.421，125.152.215.251.512.521，126.162.216.261.612.621，127.172.217.271.712.721，128.182.218.281.812.821，129.192.219.291.912.921，130.103.013.031.301.310，134.143.314.341.413.431，136.163.316.361
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