GB2246771A
(en )
1992-02-12
Water purifier
EP0433893A3
(en )
1991-10-23
Process and system for purifying pure water or ultrapure water
NZ228923A
(en )
1991-09-25
Filter cover for purification insert in domestic water treatment device
DE3477562D1
(en )
1989-05-11
A filter for purifying drinkable and non-drinkable water
GB8927318D0
(en )
1990-01-31
Drinking water purifier
GB8812077D0
(en )
1988-06-22
Cork & sediment filter unit
YU62788A
(en )
1990-04-30
Filter for drinking water final purifying and technical use
EP0582259A3
(en )
1994-10-05
Preparation for local treatment containing particulates of water soluble polymers in suspension.
GB2223689B
(en )
1992-10-07
Water filter
GB8628392D0
(en )
1986-12-31
Purifying drinking water
AU6593586A
(en )
1987-05-19
Means for purifying water and use of the means
YU37788A
(en )
1990-02-28
Filter for purifying industrial and other waters
HUT52195A
(en )
1990-06-28
Water purifying filter vessel
PL296997A1
(en )
1993-06-28
Filter in particular for potable water
YU184589A
(en )
1991-04-30
Filter device for purifying water
PL54671Y1
(en )
1996-12-31
Filter for purifying district-heating water
PL275542A1
(en )
1989-05-30
Water filter
GB8815280D0
(en )
1988-08-03
Water purifying unit
PL264194A1
(en )
1988-09-15
Apparatus for filtering and disinfecting potable water
CA68678S
(en )
1991-06-11
Water filter and container combination
GB8826038D0
(en )
1988-12-14
Water purifier
GB8408557D0
(en )
1984-05-16
Square filter for water treatment
PL301639A3
(en )
1995-06-26
Water purification filter
PL299665A1
(en )
1995-01-23
Water purification filter
PL292584A1
(en )
1993-05-31
Filter in particular for water