Metal processes and apparatus, machinery, and transportation equipment
Subtitle: Government-owned inventions available for license.
Series: Patent abstract series -- no. 4.
Publisher: U.S. Dept. of Commerce
Published: 1954
Place of publication: [Washington]
Language: eng
Number of pages: 55
Subjects: Patents -- United States; Machinery -- Patents; Metallurgy -- Patents
Genres: Patents.
Other titles: Government-owned inventions available for license.