Describir: 1978 Annual Book of ASTM Standards

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| |/\| ||  | ||__    `____ `   | / \ ||  | |_| ||   -| ||-  | |/\| || 
|  /\  ||  | ||__    /___//    | \_/ ||  | .  //    _| ||_  |  /\  || 
|_// \_||  |_____||  `__ `      \___//   |_|\_\\   /_____// |_// \_|| 
`-`   `-`  `-----`   /_//       `---`    `-` --`   `-----`  `-`   `-` 
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