【简答题】尾座又称 ,安装在床身导轨上,其位置可以根据工作需要 。
【判断题】商标专用权的保护期限为20年,期限届满可以续展。( )
【简答题】What are the main differences between the aggregate planning strategies?
【单选题】One of the main differences between the various types of screw pumps is in the _____.
B.
direction of rotation of the screws
【单选题】下列说法正确的是()
C.
商标权具有法定保护期,注册可以续展,但续展次数受到限制;
D.
商标权具有法定保护期,注册可以续展,且续展次数不受限制;