SS-C-621 › Complete Document History
Concrete Masonry Units, Hollow +Cancelled,85Superseded By ASTM-C90, ASTM-C145, & ASTM-C129


Obsolete Revision Information:
   CAN NOT 1 - CONCRETE MASONRY UNITS, HOLLOW - Dec. 19, 1985
   AMENDMENT 2 - INTERIM AMENDMENT 2 - June 18, 1970
   REVISION B - CONCRETE MASONRY UNITS, HOLLOW - Jan. 19, 1968