A guide to filing a design patent application. 的封面图片
A guide to filing a design patent application.
TITLE_DISPLAY:
A guide to filing a design patent application.
出版信息:
Washington, D.C. : U.S. Patent and Trademark Office, [1996]-
格式:
持续资源
物理描述:
v. : ill. ; 28 cm.
电子访问:
http://www.uspto.gov.