High Precision Slim Linear Glass Scale 1um 5V TTL 50 100 150 200 250 300 350 400 Optical Encoder Grating Ruler For Grinder Lathe

High Precision Slim Linear Glass Scale 1um 5V TTL 50 100 150 200 250 300 350 400 Optical Encoder Grating Ruler For Grinder Lathe

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