ASTM-A422 › Complete Document History
Specification for Butt Welds in Still Tubes for Refinery Service (Withdrawn 1994)
Obsolete Revision Information: |
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1964 R79(E1) EDITION - DISCONTINUED IN 1994 - Nov. 9, 1964
1964 EDITION - OBSOLETE DOCUMENT - Nov. 9, 1964 |