ZA731896B
(en )
1974-05-29
Improvements in or relating to ozonisers
ZA733315B
(en )
1974-04-24
Improvements in or relating to connection elements
AU476273B2
(en )
1976-09-16
Improvements in or relating to weatherstrip
ZA732966B
(en )
1974-06-26
Improvements in or relating to eartags
ZA737284B
(en )
1974-08-28
Improvements in or relating to cutting glass
ZA732345B
(en )
1974-11-27
Improvements in or relating to closures
HK15776A
(en )
1976-03-26
Improvements in or relating to chopsticks
ZA738251B
(en )
1974-10-30
Improvements in or relating to antibiotics
MY7600283A
(en )
1976-12-31
Improvements in or relating to chlorinated pnthalonitriles
HK20280A
(en )
1980-04-25
Improvements in or relating to respirators
IL42321A0
(en )
1973-07-30
Improvements in or relating to glass manufacturing methods
ZA737327B
(en )
1974-10-30
Improvements in or relating to mine brattices
HK1677A
(en )
1977-01-14
Improvements in or relating to rollers
ZA73566B
(en )
1973-10-31
Improvements in or relating to screens
HK46177A
(en )
1977-09-16
Improvements in or relating to building construction
ZA73483B
(en )
1973-10-31
Improvements in or relating to building methods
HK32579A
(en )
1979-05-25
Improvements in or relating to building methods
ZA727054B
(en )
1974-02-27
Improvements in or relating to cutters
ZA734593B
(en )
1974-06-26
Improvements in or relating to antibiotics
ZA723258B
(en )
1974-02-27
Improvements in or relating to glazing
ZA715424B
(en )
1972-11-29
Improvements in or relating to glazing
ZA738252B
(en )
1974-10-30
Improvements in or relating to antibiotics
MY7900145A
(en )
1979-12-31
Improvements in or relating to keys
IE37577B1
(en )
1977-08-31
Improvements in or relating to ozonisers
MY7700185A
(en )
1977-12-31
Improvements in or relating to window assemblies