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Resonance chamber structure including vacuum tube electrode components
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Microwave electrodes for medical therapy
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Cabinet and door construction for microwave heating appliances
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Annealing furnace
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Heating covers for metal bath furnaces
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Continuous annealing furnace
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Improvements in or relating to apparatus for dipping elongated articles in baths of molten metal
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Improvements in or relating to galvanizing tanks
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Ultra short wave signaling
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Cleaning and drying device for dishes and laundry
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