Invention promotion firms.
TITLE_DISPLAY:
Invention promotion firms.
出版信息:
Washington, D.C. : Federal Trade Commission, Bureau of Consumer Protection, Office of Consumer & Business Education, [1996]
格式:
图书
系列:
Facts for consumers
Facts for consumers from the Federal Trade Commission.
物理描述:
1 folded sheet (8 p.) ; 22 x 10 cm.