Welcome to the 1520 Perfect Dictionary
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| Isochrone | |
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| ISOCHRONE Definition: A line on a chart or map joining points associated with a constant with a constant time difference, e.g. in reception of radio signals. ____________________________________ See perfect map (1). See perfect form (1). See perfect line (1). See perfect use (1). ____ See perfect contour line. See perfect particularness. ____ See perfect characteristic (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |