题目: 发明和实用新型专利的实质要件必须符合“专利三性”即()、()和()。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2021/0228/cbcf093f72443688ac86f5e606aa6f81.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 I guess we've already talked about this before but I'll ask you again just ____. [ ]A. by nature B. in return C. in case D. by chance 查看答案