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3-wire coiled tungsten filament, 0.030" (0.76mm) diameter, 14 coils, 6" L (15cm), coil length 2-1/2" (6.3cm), 5/16" (7.9mm) ID of coil. |
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3-wire coiled tungsten filament, 0.025" (0.635mm) diameter, 6 coils, 1-7/8" L (4.76cm), coil length 1" (25.4 mm), 3/16" (4.8mm) ID of coil. |
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