ข้อมูลLining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling(E21D0015000000-E21D0023000000; take precedence;specially for shafts E21D0005000000; lining pressure water galleries, linings therefor E02B0009060000)


เวอร์ชั่นข้อมูล

เวอร์ชั่น รหัส / code คำอธิบาย / code name เครื่องมือ
1 E21D0011000000 Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling(E21D0015000000-E21D0023000000; take precedence;specially for shafts E21D0005000000; lining pressure water galleries, linings therefor E02B0009060000) 29/09/2562