Search Results for: Mounted optical elements
natural asphalt, on natural bitumen, on petroleum bitumen, on mineral tar or on mineral tar pitch (for example, bituminous mastics, cut backs) nil nil electrical energy nil nil chapter - inorganic chemicals; organic or inorganic compounds of precious metals, of rare- earth metals, of radioactive elements
or of isotopes i-chemical elements fluorine, chlorine, bromine and iodine % % sulphur, sublimed or precipitated; colloidal sulphur % % carbon (carbon blacks and other forms of carbon not elsewhere specified or included) carbon black % % others % % hydrogen, rare gases and other non-metals phosphorous...
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