甲公司有一发明,其要申请发明专利。自申请日起()内,专利局可以根据甲公司随时提出的请求,对其申请进行实质审查。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧