GB2051771B
(en )
1983-04-20
Method and apparatus for cleaning water in a swimming pool
GB2138548B
(en )
1987-12-09
Well completion method and apparatus
GB2209686B
(en )
1991-12-11
Water repurification method and apparatus
ZA886262B
(en )
1989-10-25
Swimming pool water skimming and vacuuming apparatus
AU1714383A
(en )
1985-01-24
Pool cover apparatus and method
ZA891252B
(en )
1989-10-25
Process and apparatus for purification of swimming pool water and the like
DE3377642D1
(en )
1988-09-15
Method of removing scale
DE3478670D1
(en )
1989-07-20
Method of removing a coating
AU3639889A
(en )
1989-12-21
Automatic swimming pool cleaning apparatus and method for use thereof
AU3645384A
(en )
1985-06-13
Swimming pool cleaning system and apparatus
GB2130524B
(en )
1986-04-03
Collapsible structure and method of using such a structure
DE3462020D1
(en )
1987-02-19
Method and apparatus for ozonizing a fluid
GB2169498B
(en )
1989-01-05
Cleaning apparatus and method for swimming pool
ZA843559B
(en )
1984-12-24
Method of and apparatus for cleaning a swimming pool
PL250670A1
(en )
1985-07-16
Method of and apparatus for reducing oxidic sibstances
GB2164677B
(en )
1988-07-13
Method and apparatus for treatment of a structure
GB2104843B
(en )
1985-04-11
A method of changing cleaning brushes in copiers or like equipment
DE3462558D1
(en )
1987-04-09
Method and apparatus of electrophotography
ZA821853B
(en )
1983-09-28
Swimming pool cleaning system and apparatus
PL241799A2
(en )
1984-03-12
Method of driving a gangway of circular cross-section and apparatus therefor
AU552367B2
(en )
1986-05-29
Swimming pool cleaning system and apparatus
GB8314069D0
(en )
1983-06-29
Swimming pool cover apparatus
PL241007A2
(en )
1984-01-30
Method of cleaning of dirty film and apparatus therefor
PL250249A1
(en )
1986-05-06
Method of cleaning balls and apparatus therefor
PL257042A1
(en )
1988-04-28
A method of cleaning well filters and a means for cleaning well filters