请问在Device mark上面的丝印代表含义,我手上的Device mark:MAX232EC 上面的字符:14DSQ7KG4(每个字符代表什么)
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请问在Device mark上面的丝印代表含义,我手上的Device mark:MAX232EC 上面的字符:14DSQ7KG4(每个字符代表什么)