The heating knee pad is characterized by quick and convenient installation of the heating device, quick heating and good warm keeping performance.
本实用新型具有安装发热装置快速方便、发热快、保暖性好的特点。
The heating knee pad is characterized by quick and convenient installation of the heating device, quick heating and good warm keeping performance.
本实用新型具有安装发热装置快速方便、发热快、保暖性好的特点。
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