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.
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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