00469nam a2200157Ia 4500100003500000650002500035942000700060654001300067245003000080260004000110082001000150300000800160546001200168999001700180952011400197  aNational Productivity Council   aNetworking & Telecom  cBK  aIndustry  aWelding Industry In U.S.A  bNational Productivity Councilc2001  a671.5  a102  aENGLISH  c21052d21052  001040708AFTaCRCEbCRCEc1465 | 19d2023-03-17g4.00l0o671.5 pAFT369r2023-03-17v4.00w2023-03-17yBK