Describir: Architectural graphic standards for architects engineers, decorators, builders and draftsmen

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|  --  //  | ||__    \ \/ //  | || | || | // __     \ ` //  | // __   
|  --  \\  | ||__     \  //   | \\_/ || | \\_\ ||    | ||   | \\_\ || 
|______//  |_____||    \//     \____//   \____//     |_||    \____//  
`------`   `-----`      `       `---`     `---`      `-`'     `---`   
                                                                      
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