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2019-11-08 share：
The last one：incremental rotary encoder R38S-6G12-24C-2000BM-2MThe next one：equivalent encoder of Eltra EL42A120Z5/28P6X6PR2Uncoated visible N-BK7 Plano-concave lenses
China optical concave lens manufacturer
dimensions could be customized according to customers requirements.
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