patent roll 中文意思是什麼
patent roll
解釋
〈英國〉專利特許登記簿。-
In 1888, george eastman received a patent for his roll - film camera, and registered his trademark : " kodak.
1888年,喬治?伊斯門獲得了膠卷照相機的專利權,他把商標注冊為「柯達」 。
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