The utility model discloses a fixed quantity power supply automatic safety switch device which is suitable for the fixed quantity power supply of a room.
本实用新型公开了一种定量供电自动保险开关装置。
The utility model discloses a fixed quantity power supply automatic safety switch device which is suitable for the fixed quantity power supply of a room.
本实用新型公开了一种定量供电自动保险开关装置。
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