试题与答案

发明专利权的保护期限为A.20年,自申请日起算 B.10年,自申请日起算 C.20年

题型:单项选择题

题目:

发明专利权的保护期限为

A.20年,自申请日起算

B.10年,自申请日起算

C.20年,自审查通过日起算

D.10年,自审查通过日起算

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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