Every company, family members area entrance entrance door, be which one kind electric push-and-pull that, registered trademark belong to?
各公司，家属区门口的大门，就是电动推拉的那种，注册商标属于哪一类啊？
Every company, family members area entrance entrance door, be which one kind electric push-and-pull that, registered trademark belong to?
各公司，家属区门口的大门，就是电动推拉的那种，注册商标属于哪一类啊？
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