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Method and apparatus for drilling large holes through glass sheets
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Folding display device
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Electric resistance heater
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Baseboard type electric wall heater
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Electric wall heater with heat reflector
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Electric wall heater
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Electric resistance heater
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Electrical connectors for resistance elements on glass plates
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Apparatus for suspending flat glass during heat treatment
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Electrical connector for resistance elements on glass plates
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Electric resistance heater
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Door hinge
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Electric heating element
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Device for supporting glass during heating
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Apparatus for tempering curved glass sheets
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Improved electric heating panel
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Improved method of and apparatus for use in heat treating glass
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Electric heating element
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