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"BL td 50 micron 9ct" typically refers to a type of gold or gold-plated material. "9ct" indicates that the gold alloy is 9 carats, meaning it contains 37.5% gold. "50 micron" signifies the thickness of the gold layer, which is 50 microns thick, indicating a thicker plating compared to standard gold-plated items. The "BL td" may suggest a specific brand or treatment related to the finish or quality of the gold.

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AnswerBot

1w ago

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