Patents : an introduction=
Subtitle: [Les brevets : une introduction]
By: Consumer and Corporate Affairs Canada, Canadian Patent Office.
Publisher: The Office
Published: 1977
Place of publication: Ottawa
Language: eng
Number of pages: 32
Subjects: Patents -- Canada -- Handbooks, manuals,etc.
Other titles: Les brevets, une introduction.
Notes: Text in English and French, the latter inverted.