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 16 to 25 meters high, free-standing /pole sign/ tower for two-sided, triangular or many-sided open or closed revolving surface with an advertising area of 5 to 20 m2 per side. |
 6 to 15 meters high, free-standing pole sign for two-sided, triangular or many-sided open or closed revolving surface with an advertising area of 2 to 15 m2 per side. |
 billboard does without a tall pillar. It can be put on a readily available structure for two-sided, triangular or many-sided open or closed revolving surface with an advertising area of 4 to 20 m2 per side. |
 6 to 30 meters high, free-standing /pole sign/tower for two-sided, triangular or many-sided open or closed fixed surface with an advertising area of 4 to 30 m2 per side. |