ZA731896B
(en )
1974-05-29
Improvements in or relating to ozonisers
ZA733315B
(en )
1974-04-24
Improvements in or relating to connection elements
ZA732966B
(en )
1974-06-26
Improvements in or relating to eartags
ZA732345B
(en )
1974-11-27
Improvements in or relating to closures
HK20280A
(en )
1980-04-25
Improvements in or relating to respirators
MY7600283A
(en )
1976-12-31
Improvements in or relating to chlorinated pnthalonitriles
ZA737327B
(en )
1974-10-30
Improvements in or relating to mine brattices
HK73076A
(en )
1976-12-03
Improvements in or relating to brushes
IE38343B1
(en )
1978-02-15
Improvements in or relating to fences
ZA732392B
(en )
1974-11-27
Improvements in or relating to dentures
MY7700276A
(en )
1977-12-31
Improvements in or relating to sieves
HK65778A
(en )
1978-11-24
Improvements in or relating to fasteners
ZA73566B
(en )
1973-10-31
Improvements in or relating to screens
IE38140B1
(en )
1978-01-04
Improvements in or relating to polyamides
MY7600200A
(en )
1976-12-31
Improvements in or relating to aerators
ZA734537B
(en )
1974-06-26
Improvements in or relating to electric key-switches
CY891A
(en )
1977-03-18
Improvements in or relating to tanks
IE36495B1
(en )
1976-11-24
Improvements in or relating to electrolysers
ZA723795B
(en )
1973-03-28
Improvements in or relating to electrolysers
ZA727054B
(en )
1974-02-27
Improvements in or relating to cutters
AU468328B2
(en )
1976-01-08
Improvements in or relating to electrolysers
ZA735836B
(en )
1974-07-31
Improvements in or relating to electric key-switches
MY7900145A
(en )
1979-12-31
Improvements in or relating to keys
IE37577B1
(en )
1977-08-31
Improvements in or relating to ozonisers
ZA726188B
(en )
1973-10-31
Improvements in or relating to seals