4. Optics: measuring and testing
  5. By polarized light examination
  6. Of surface reflection

Donald J. Barclay

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Bath and process for the electrodeposition of chromium

Chemistry: electrical and wave energy – Processes and products
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Counter electrode arrangement of an electrochromic display devic

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
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Electrochromic display device

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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Electrochromic display device

Patent

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Electrochromic display device

Patent

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