31355299post hornsPT2026-03-30 20:35:48UF31355302horn, postNDUF31355303horns, postNDUF31355304posthornsNDUF31355300post hornNDUF31355301post-hornNDBT31425102lip-vibrated aerophones with conical bore: naturalPTBT31325027sound signaling devicesPTNT31395472coach hornsPT