01251cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040004200111042001200153050001900165110005800184245042100242260004800663300003600711490007200747500008400819650003200903710005700935999001700992l  39000043 DLC20260227111536.0800319s1939    dcuh         f000 0 eng c  al  39000043   a(OCoLC)6104956  aU.S. Dept. of labor. Libr.cNBuUdDLC  apremarc00aHD4885.U5bN282 aNational Joint Steamfitting Apprenticeship Committee.10aNational standards for steamfitting apprenticeship including suggestions for putting national standards into operation in local communities.cPrepared by National Joint Steamfitting Apprenticeship Committee, in cooperation with Federal Committee on Apprenticeship, approved by Heating, Piping, and Air Conditioning Contractors' National Association and the United Association of Journeyman Plumbers and Steamfitters.  aWashington,bU.S. Govt. Print. Off.,c1939.  av, 11 p. incl. facsims.c27 cm.0 a[U.S. Dept. of Labor. Division of Labor Standards] Bulletinvno. 28  aAt head of title: United States Dept. of Labor ... Division of Labor Standards. 0aApprenticeszUnited States.1 aUnited States.bFederal Committee on Apprenticeship.  c36289d36289