英语词汇“letter of patent”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	letter of patent
释义	letter of patent 基本例句专利证书 Even then,you will not get the patent certificate.即使在那时，你将拿不到专利证书。 The first English patent for a typewriter was issued in 1714.英国第一台打字机专利证书是一七一四年颁发的。
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