National apprenticeship standards
Subtitle: photoengravers, commercial establishments
By: Formulated by the American Photoengravers Association and the International Photo-Engravers' Union of North America in cooperation with U.S. Dept. of Labor, Bureau of Apprenticeship
Contributors: International Photo Engravers' Union of North America
Publisher: U.S. Govt. Print. Off.
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 27
Subjects: Apprentices; Photoengraving
Notes: Cover title.