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laser safety glasses 190-540nm and 900-1700nm
2017-01-15 16:59
1.Typical wavelength(nm):190-540nm &900-1700nm2.Laser:KTP Nd: YAG,Argon,Nd: YAG ,Semi-Conductor3.O.D: 4+4.V.L.T (%):>75%
