Ideas, inventions, and patents how to develop and protect them

Ideas, inventions, and patents how to develop and protect them

Manylion Llyfryddiaeth
Prif Awdur: Buckles, Robert A.
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: New York Wiley [1957].
Pynciau:
Patent laws and legislation - United States.