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4pcs 5x7 4x6 3x7 2x8 cm 5*7 4*6 3*7 2*8 double Side Copper prototype pcb Universal Board Cave plate Circuit board

USD 0.63USD 0.67

4pcs 5x7 4x6 3x7 2x8 cm 5*7 4*6 3*7 2*8 double Side Copper prototype pcb Universal Board Cave plate Circuit board

Description
Specification
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