6
Containers; Tanks; Tank installations; Closures for containers; Pipes; Ducting; Junctions for pipelines, The aforesaid goods of metal, The aforesaid goods included in class 6
9
Measuring, signalling and inspecting apparatus and instruments for the monitoring of containers for holding liquids, in particular tank systems and rainwater harvesting systems; Computers and processors for monitoring the aforesaid apparatus, instruments and systems
11
Water conditioning installations; Membrane filtration units for water treatment apparatus; Ultraviolet sterilization units [water treatment equipment]; Reverse osmosis membrane filters for water treatment; Ionization apparatus for the treatment of water; Water treatment filters; Water cisterns; Water treatment units, for use in the following fields: Aeration and circulation of water; Filter boxes for water purification; Filters for water filtering apparatus; Coarse strainers for water screening
19
Pipes; Ducting; Manifolds for pipelines, Especially of plastic
20
Containers; Tanks; Tank installations; Closures for containers; The aforesaid goods not of metal and Not of masonry, Especially of plastic, The aforesaid goods included in class 20