ASTM-F421 › Complete Document History
Standard Test Method for Measuring Groove and Void Depth in Passenger Car Tires
Complete Current Edition: |
2015 R21 EDITION - REAPPROVED IN 2021 - April 22, 2021
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Obsolete Revision Information: |
2015 EDITION - Measuring Groove and Void Depth in Passenger Car Tires - Aug. 15, 2015
2007 R13(E1) EDITION - REAPPROVED IN 2013, EDITORIALLY CORRECTED - Dec. 1, 2013
2007 EDITION - Measuring Groove and Void Depth in Passenger Car Tires - Aug. 1, 2007
2000 EDITION - Measuring Groove and Void Depth in Passenger Car Tires - May 10, 2000
1995B EDITION - Measuring Groove and Void Depth in Passenger Car Tires - Oct. 10, 1995
1995A EDITION - Measuring Groove and Void Depth in Passenger Car Tires - Sept. 10, 1995
1995 EDITION - Measuring Groove and Void Depth in Passenger Car Tires - Aug. 15, 1995
1989 EDITION - Measuring Groove and Void Depth in Passenger Car Tires - Sept. 29, 1989
1982 EDITION - Measuring Groove and Void Depth in Passenger Car Tires - March 26, 1982
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