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2L Immersion gold(4u'') 3oz copper #HeavyCopperPCB #pcbhero #pcb

by Bob YI November 22, 2019

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2L Immersion gold(4u'') 3oz copper #HeavyCopperPCB

by Bob YI April 12, 2019

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19/03/12 PCBA

by Bob YI March 12, 2019

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