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AMERICAN SOCIETY FOR TESTING MATERIALS 1932
Tentative Standards are proposed Standards published for one or more years with a view of eliciting criticism, of which the committee concerned will take due cognizance before recommending final action towards the adoption as Standard of such Tentative Standard by formal action of the Society.
In the serial designations prefixed to the following titles, the initial letter indica- tive of the general classification and the first number are permanent, and are retained when a Tentative Standard is adopted as Standard. The final number indicates the year of original issue or, in the case of revision, the year of last revision. Thus, the Tentative Standards which were originated or revised in 1932 are designated by the final number 32. The letter "T" is appended to the designation of all Tentative Standards. The serial designation of Tentative Standards which have for any reason not been adopted as standard and have been discontinued are permanently dropped.
AST
The Tentative Standards are grouped according to the materials to which they apply. Duplicate listings appear in italics.
166 | 621.8 AST a | Perpustakaan PPKS Medan Lt. 1 | Available |
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