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Published Date: 03/01/2004

Plastics piping systems for hot and cold water installations - Crosslinked polyethylene (PE-X) - Part 7: Guidance for the assessment of conformity (ISO/TS 15875-7:2003); German version CEN ISO/TS 15875-7:2003

Published Date: 01/01/2005

2005 Handbook of Publicly Traded AGA Member Companies

Published Date: 01/01/2006

2006 Handbook of Publicly Traded AGA Member Companies

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National Fuel Gas Code, 2024 Edition

Published Date: 01/01/2002

National Fuel Gas Code and Handbook Set, 2002 Edition

Published Date: 01/01/2006

National Fuel Gas Code and Handbook Set, 2006 Edition

Published Date: 2009

National Fuel Gas Code and Handbook Set, 2009 Edition