ASME-PTC4.1 › Complete Document History
Steam-Generating Units (With 1968 and 1969 Addenda)
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RENUMBERED SEE - ASME-PTC-4.1 - Jan. 1, 1991
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Obsolete Revision Information: |
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1964 R91 EDITION - REAFFIRMED IN 1991 - Jan. 1, 1991
1964 R85 EDITION - REAFFIRMED IN 1985 - Jan. 1, 1974 |