TY  - BOOK
ED  - National Joint Steamfitting Apprenticeship Committee.
ED  - United States.
ED  - Heating, Piping and Air Conditioning Contractors National Association.
ED  - United Association of Journeymen Plumbers and Steamfitters of the United States and Canada.
TI  - Suggested local standards for training steamfitting apprentices,: based on the National standards for steamfitting apprentship
T2  - [U.S. Dept. of Labor. Division of Labor Standards] Bulletin no. 28, part II
AV  - HD4885.U5 N282
PY  - 1940///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Apprentices
KW  - United States
KW  - Pipe fitting
N1  - At head of title: United States Department of Labor. Frances Perkins, secretary. Division of Labor Standards. V. A. Zimmer, director; Part I of Bulletin no. 28 has title: National standards for steamfitting apprenticeship
ER  -