英国第一台打字机专利证书是1714年颁发的。
英国第一台打字机专利证书是1714年颁发的。
The first English patent for a typewriter was issued in1714.
目前此新型产品已获得国家专利局颁发的专利证书,并在国内著名的陶瓷名城唐山投入批量生产。
Nowadays this new type of product has obtained a patent granted by the National Patent Bureau, and begun to mass product in MeiKe ceramic Ltd. in famous ceramic city TangShan in china.
目前此新型产品已获得国家专利局颁发的专利证书,并在国内著名的陶瓷名城唐山投入批量生产。
Nowadays this new type of product has obtained a patent granted by the National Patent Bureau, and begun to mass product in MeiKe ceramic Ltd. in famous ceramic city TangShan in china.
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