|
NZ200752A
|
|
Transparent inflatable roller-blind with valve
|
|
CA1180264A
|
|
Heat-insulating roller-blind
|
|
US4035874A
|
|
Quickly attachable button
|
|
IE32593L
|
|
Improvements in dosing calcium hydroxide
|
|
IE31447L
|
|
Waste liquid purification
|
|
GB1197734A
|
|
A Method of Purifying Waste Liquid from Water Closets and Other Sanitary Installations.
|
|
GB1143624A
|
|
Improvements in or relating to sewerage systems
|
|
GB1070259A
|
|
A device for preventing back-suction into a watcr pipe system from an apparatus connected thereto
|
|
ES306174A1
|
|
A valvular device. (Machine-translation by Google Translate, not legally binding)
|
|
IE24132L
|
|
Sewage system
|
|
IE23883L
|
|
Sewage system for buildings
|
|
ES249709A1
|
|
An installation of sewage or evacuation of residues (Machine-translation by Google Translate, not legally binding)
|
|
IE23642L
|
|
Water closets
|
|
ES243651A1
|
|
A lethrine system (Machine-translation by Google Translate, not legally binding)
|
|
IE23625L
|
|
Water closets
|
|
IE23065L
|
|
Water closets
|
|
GB667190A
|
|
Improvements in props for building constructions
|
|
CA833613A
|
|
Method of purifying waste liquid from water closets and other sanitary installations
|
|
CA799780A
|
|
Transport of waste
|
|
CA654902A
|
|
Sewerage systems
|
