"""""A"" Class Sliding Fire Door Self-closing (ISO 17631)"
"""""A"" Class Watertight Fire Door (ISO 17631)"
"""""A"" Class Watertight Sliding Fire Door (ISO 17631)"
"""""A"" Classself Closing Semi-watertight Fire Door (ISO 17631)"
"""""B"" Class Division (ISO 17631)"
"""""B"" Class Fire Door (ISO 17631)"""
"""""B"" Class Fire Door Self-closing (ISO 17631)"""
"""""B"" Class Fire Sliding Door, ISO 17631"
