Putting National Plumbing Apprenticeship Standards to Work, A Manual Procedure for Establishing Local Joint Plumbing Apprenticeship Standards, Revised July 1941.

Bibliographic Details

Corporate Author:	United States. Division of Labor Standards
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [publisher not identified], 1941.
Subjects:	Apprenticeship programs. Trade associations. Occupations.
Online Access:	Electronic resource (PDF)