BE766967A
(en )
1971-10-01
WATER PURIFICATION DEVICE
BE815439Q
(en )
1974-09-16
DEVICE FOR DISTRIBUTING THE IRRIGATION WATER
CH378798A
(en )
1964-06-15
Device for water softening
CH505028A
(en )
1971-03-31
Valve device for water softener device
FR1500977A
(en )
1967-11-10
Safety device for water pipes
OA03311A
(en )
1970-12-15
Improvements to processes for water clarification.
BE613870A
(en )
1962-05-29
Funnel for water descent pipe collected in ledges.
FR1325639A
(en )
1963-05-03
High outlet percolator for filtering effluents leaving septic tanks
FR1338500A
(en )
1963-09-27
Device for carrying out piles in deep water
BE784577A
(en )
1972-12-08
DEVICE FOR THE PROTECTION OF PLANT PROTECTION AGENTS
OA02754A
(en )
1970-12-15
Method and device for the purification of water.
FR1362532A
(en )
1964-06-05
Device for the watertight connection of pipes, e.g. for irrigation
BE766945A
(en )
1971-10-01
DEVICE FOR SEPARATING WATER FROM SARCLEATED PLANTS AND RINSING THE LATEST
FR1488140A
(en )
1967-07-07
Thermostat for water pipe
FR1460357A
(en )
1966-11-25
Thermostat for water pipe
FR1329944A
(en )
1963-06-14
Filters for water distribution plants
FR1545976A
(en )
1968-11-15
Device for water purification
FR1399941A
(en )
1965-05-21
Device and method for water purification
FR1546990A
(en )
1968-11-22
Water inlet device, more especially for caravan-camping
FR1468718A
(en )
1967-02-10
Device for removing water from elastic materials
BE619153A
(en )
1962-10-15
Anti-reflux device for water pipes.
CH485602A
(en )
1970-02-15
Valve device for water softener
FR1438872A
(en )
1966-05-13
nuclear equipment for the production of water vapor
FR1114031A
(en )
1956-04-06
Tank device for collecting the drained water from umbrellas
FR1331185A
(en )
1963-06-28
Draining device for built-in cisterns