ZA728342B
(en )
1974-07-31
Improvements in or relating to insulating materials
ZA731896B
(en )
1974-05-29
Improvements in or relating to ozonisers
ZA733315B
(en )
1974-04-24
Improvements in or relating to connection elements
IE38056B1
(en )
1977-12-21
Improvements in or relating to mounting devices
CY801A
(en )
1976-12-01
Improvements in or relating to shaving devices
ZA733840B
(en )
1974-04-24
Improvements in or relating to character-printing systems
ZA735671B
(en )
1974-09-25
Improvements in or relating to electrical heating elements
HK20280A
(en )
1980-04-25
Improvements in or relating to respirators
MY7600283A
(en )
1976-12-31
Improvements in or relating to chlorinated pnthalonitriles
ZA734893B
(en )
1974-08-28
Improvements in or relating to control units
ZA722898B
(en )
1973-06-27
Improvements in or relating to pipes
IL41990A0
(en )
1973-06-29
Improvements in or relating to electrical heaters
ZA733833B
(en )
1974-04-24
Improvements in or relating to syringes
HK1677A
(en )
1977-01-14
Improvements in or relating to rollers
ZA734848B
(en )
1974-11-27
Improvements in and relating to heaters
ZA722669B
(en )
1973-07-25
Improvements in or relating to mats
ZA734537B
(en )
1974-06-26
Improvements in or relating to electric key-switches
ZA731727B
(en )
1973-12-19
Improvements in or relating to freewheel devices
ZA72620B
(en )
1973-03-28
Improvements in or relating to heating devices
ZA72643B
(en )
1972-10-25
Improvements in or relating to fans
ZA735836B
(en )
1974-07-31
Improvements in or relating to electric key-switches
ZA727732B
(en )
1974-04-24
Improvements in or relating to geysers
IE37577B1
(en )
1977-08-31
Improvements in or relating to ozonisers
AU494571B2
(en )
1975-02-13
Improvements in or relating to heating means
ZA746479B
(en )
1975-11-26
Improvements in or relating to heating devices