National steamfitter/pipefitter apprenticeship standards
By: formulated and adopted by the National Joint Pipefitter Apprenticeship Committee representing the Mechanical Contractors Association of America and the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada, January 14-15, 1957
Publisher: U.S. Dept. of Labor, Bureau of Apprenticeship and Training
Published: 1957
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Pipe fitting; Apprentices