| http://www.w3.org/ns/prov#value | - The temperature sensing device, such as a thermocouple, is encased in a molybdenum tube which is coated with successive porous layers of molybdenum, a plurality of layers of Al2 O3 --Cr2 O3 --Mo...http://www.google.com/patents/US4721534?utm_source=gb-gplus-sharePatent US4721534 - Immersion pyrometerAdvanced Patent SearchPublication numberUS4721534 APublication typeGrantApplication numberUS 06/775,
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