At the time that Celltech and Genentech filed for patents, a patent term was nominally 17 years from the date of issuance.是什么意思_At the time that Celltech and Genentech filed for patents, a patent term was nominally 17 years from the date of issuance.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句