Describir: 1978 Annual Book of ASTM Standards

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 | ' //    -| ||-  / //---`' | || | ||  |    \\  | || | ||  | ' //   | / \ || 
 | . \\    _| ||_  \ \\___   | \\_/ ||  | [] ||  | \\_/ ||  | . \\   | \_/ || 
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