Aclaración/resumen:In the manufacture of lamp scatterer.
Descripción completa de la marca:Turbidity (dim) colourless and coloured the ïîëóïðçðà÷íîå glass by amounts 1400õ1600 of MM, 1500õ1700 of MM, depth from 3, 0 MM. passing Êîýôôèöåíò for light-engineering groups, no less than: I. 0, 75-0, 90 II. 0, 65-0, 85 III. 0, 55-0, 75 IV. 0, 40-0, 65 V. 0, 2-0, 39. |