U.S. Patent and Trademark Office: Current news and policies regarding the USPTO. Itemization of fees and services. Includes an (800) telephone number for inquiries.
美国专利和商标部门:关于美国PTO最新的新闻和政策。逐条记录计费和服务,包800查询电话。
U.S. Patent and Trademark Office: Current news and policies regarding the USPTO. Itemization of fees and services. Includes an (800) telephone number for inquiries.
美国专利和商标部门:关于美国PTO最新的新闻和政策。逐条记录计费和服务,包800查询电话。
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