HK12077A
(en )
1977-03-11
Improvements in or relating to a spray nozzle
ZA731896B
(en )
1974-05-29
Improvements in or relating to ozonisers
HK16177A
(en )
1977-04-15
Improvements in spraying devices
ZA733840B
(en )
1974-04-24
Improvements in or relating to character-printing systems
ZA722648B
(en )
1973-01-31
Improvements in or relating to irrigation sprinklers
ZA738251B
(en )
1974-10-30
Improvements in or relating to antibiotics
HK14081A
(en )
1981-04-24
Improvents in or relating to fire-fighting
HK20280A
(en )
1980-04-25
Improvements in or relating to respirators
ZA738149B
(en )
1974-08-28
Improvements in or relating to aircraft
HK21077A
(en )
1977-05-13
Improvements in or relating to liquid coating composition
HK73076A
(en )
1976-12-03
Improvements in or relating to brushes
ZA737485B
(en )
1974-08-28
Improvements in or relating to surface coating compositions
IE38343B1
(en )
1978-02-15
Improvements in or relating to fences
ZA734032B
(en )
1974-05-29
Improvements in or relating to spray guns
AU5568873A
(en )
1974-11-21
Improvements in hand spray guns
IL37151A0
(en )
1971-08-25
Improvements in or relating to part circle sprinklers
ZA73337B
(en )
1973-11-28
Improvements relating to nitroimidazolyl-triazolo-pyidazines
IE38140B1
(en )
1978-01-04
Improvements in or relating to polyamides
ZA737289B
(en )
1975-05-28
Improvements relating to n-heteroarylmethyl)-desoxynormorphines and -norcodeines
AU454163B2
(en )
1974-09-27
Improvements in or relating to firearms
ZA734593B
(en )
1974-06-26
Improvements in or relating to antibiotics
ZA738606B
(en )
1974-11-27
Improvements relating to cyclobutane-derivates
ZA738252B
(en )
1974-10-30
Improvements in or relating to antibiotics
IE37895B1
(en )
1977-11-09
Improvements in or relating to esters
AU449079B2
(en )
1972-07-27
Improvements in or relating to stud-welding guns