Filters and eye-protectors against laser radiation (laser eye-protectors)
BS EN 207:1999 pdf free.Personal eye-protection一 Filters and eye-protectors against laser radiation (laser eye-protectors). The spectral tnmsmittance for the laser wavelength shall, however, in no case exceed the maximum sIw(lral traii.siiiiltance corresponding to the indicated scale number. 3.7 Resistance of filters and frames to ignition When tested in accordance with 4.7, the filters and frames shall not ignite or continue […]
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