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100pcs Reed Switch 4*28mm Magnetic Reed Switch Sensor Normally Open Diy 4x28mm No - Sensors - AliExpress
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Magnetic reed switch. Above: Closed and open reed switch in response to... | Download Scientific Diagram
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Amazon.com: Baomain Magnetic Reed Sensor Switch D-A93 DC AC 5-240V 200mA Sensor 10mm NO(Normally Open) for Pneumatic Air Cylinder : Industrial & Scientific
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