双螺旋灯丝 coiled-coil filament 用单螺旋丝绕制成螺旋状的灯丝。
本实用新型包括双螺旋灯丝主体和连体设置在主体两端的丝脚，所述两端的丝脚分别为直线型丝脚。
The utility model comprises a double helix filament body and filament pins integrally arranged on both ends of the filament body, the filament pins are respectively straight line filament pins.
用于制造双螺旋或三螺旋荧光灯丝、普通白炽灯丝、支架丝等。
Applied for making coiled-coil or trispiral CFL filament, incandescent filament and support.
耐压型双螺旋红外线灯丝，涉及照明器材技术领域，特别是红外线灯泡技术领域。
A pressing resistant double helix infrared filament relates to lighting equipment technical field, in particular to infrared bulb technical field.
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