ANSI-B16.21 › Complete Document History
Nonmetallic Flat Gaskets for Pipe Flanges
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RENUMBERED - ASME-B16.21 - Jan. 1, 2005
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Obsolete Revision Information: |
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1992 EDITION - Nonmetallic Flat Gaskets for Pipe Flanges - Sept. 30, 1992
1978 EDITION - Nonmetallic Flat Gaskets for Pipe Flanges - Aug. 1, 1978 |