The utility model relates to a power switch used for a ventilating fan and a special pulling switch used for the closure and the linkage of shutter blades.
本实用新型是一种用于换气扇的电源开关和百叶闭合连动的专用拉线开关装置。
The utility model relates to a power switch used for a ventilating fan and a special pulling switch used for the closure and the linkage of shutter blades.
本实用新型是一种用于换气扇的电源开关和百叶闭合连动的专用拉线开关装置。
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