99專利師職前訓練試題 - 專利
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By Lauren
at 2012-02-08T14:35
at 2012-02-08T14:35
Table of Contents
相對於下列之先前技術,何者申請專利範圍具有新穎性?
先前技術:一種氮化矽陶瓷的生產方法,其燒成時間為 4~12 小時。
A、一種氮化矽陶瓷的生產方法,其燒成時間為 1~4 小時。
B、一種氮化矽陶瓷的生產方法,其燒成時間為 1~15 小時。
C、一種氮化矽陶瓷的生產方法,其燒成時間為 7~8 小時。
D、一種氮化矽陶瓷的生產方法,其燒成時間為 3~10 小時。
我實在看不出來有什麼分辨= =a
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