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20pcs/lot 5x7 4x6 3x7 2x8cm Double Side Prototype Diy Universal Printed Circuit PCB Board Protoboard For

USD 3.33USD 3.70

20pcs/lot 5x7 4x6 3x7 2x8cm Double Side Prototype Diy Universal Printed Circuit PCB Board Protoboard For

Description
Specification
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