HK20380A
(en )
1980-04-25
Improvements in or relating to respirators
HK50780A
(en )
1980-09-19
Improvements in or relating to radiography
ZA742501B
(en )
1976-02-25
Improvements in or relating to accelerometers
HK35379A
(en )
1979-06-08
Improvements in or relating to radiography
HK61978A
(en )
1978-10-27
Improvements in or relating to radiograph
ZA751884B
(en )
1976-02-25
Improvements in or relating to tennis-rackets
IL46827A0
(en )
1975-05-22
Improvements in or relating to wired broadcasting systems
ZA745453B
(en )
1976-04-28
Improvements in or relating to fire detectors
ZA743527B
(en )
1975-06-25
Improvements in or relating to pipes
ZA734995B
(en )
1974-10-30
Improvemente in or relating to fire detectors
PH11012A
(en )
1977-10-25
Improvements in or relating to fire detectors
IE39674B1
(en )
1978-12-06
Improvements in or relating to fire detectors
HK70378A
(en )
1978-12-08
Improvements in or relating to radiography
ZA767228B
(en )
1978-02-22
Improvements in or relating to buildings
HK13981A
(en )
1981-04-16
Improvements in or relating to herbicides
ZA75488B
(en )
1976-01-28
Improvements in and relating to buildings
PH11456A
(en )
1978-02-01
Improvements in or relating to the detection of fires
ZA747225B
(en )
1975-11-26
Improvements in or relating to metal detectors
ZA746110B
(en )
1975-12-31
Improvements in or relating to hosereels
ZA766008B
(en )
1977-09-28
Improvements in or relating to positiveresponse transit detectors
ZA755449B
(en )
1977-04-27
Improvements in or relating to sectional members
ZA752652B
(en )
1976-08-25
Improvements in or relating to buildings
AU486845B2
(en )
1976-01-22
Improvements in or relating to fire detectors
AU8329975A
(en )
1977-01-27
Fire detectors
IL46168A0
(en )
1975-03-13
Improvements in fire protection means