The fixed structure of a keyless drill chuck lower housing has the characteristics of simple structure, convenient assembly, reliable connection and reduction of cost.
本实用新型具有结构简单、装配方便、连接可靠和降低成本的特点。
The fixed structure of a keyless drill chuck lower housing has the characteristics of simple structure, convenient assembly, reliable connection and reduction of cost.
本实用新型具有结构简单、装配方便、连接可靠和降低成本的特点。
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