ZA72149B
(en )
1972-09-27
Improvements in or relating to tunnelling
ZA723532B
(en )
1973-03-28
Abrasive material
AU465524B2
(en )
1975-10-02
Improvements in beneficiation of ores
HK8379A
(en )
1979-02-23
Improvements in or relating to thienobenzazepines
ZA723975B
(en )
1973-03-28
Improvements in or relating to containers
ZA715127B
(en )
1972-04-26
Improvements in or relating to fibrous material
ZA711543B
(en )
1972-08-30
Improvements in or relating to insulating materials
IE38682B1
(en )
1978-05-10
Improvements in or relating to cartons
ZA72949B
(en )
1972-11-29
Improvements in or relating to parachutes
IE37040B1
(en )
1977-04-27
Improvements in or relating to containers
ZA721495B
(en )
1972-11-29
An improvement in or relating to mineral material particle size determination
ZA723068B
(en )
1973-02-28
Improvements in or relating to wellpoints
ZA723955B
(en )
1973-12-19
Improvements in or relating to fasteners
ZA703520B
(en )
1971-01-27
Improvements in or relating to turning over bulk material
ZA718178B
(en )
1973-01-31
Improvements in or relating to the mounting of sheet material
ZA723002B
(en )
1973-02-28
Improvements in or relating to belting material
ZA725585B
(en )
1973-05-30
Improvements in or relating to boxes
MY7700190A
(en )
1977-12-31
Improvements in and relating to pyrotechnic devices
ZA71862B
(en )
1972-09-27
Improvements in or relating to the feeding of materials
ZA717986B
(en )
1972-08-30
Improvements in or relating to mineral products
AU465670B2
(en )
1975-10-02
Improvements in or relating to friction material
AU465974B2
(en )
1973-02-15
Improvements in or relating to fibrous material
ZA725115B
(en )
1974-06-26
Improvements in or relating to the preparation of mineral ores
ZA725047B
(en )
1973-04-25
Improvements in or relating to fibrous materials
ZA721423B
(en )
1973-03-28
Improvements in and relating to sheet material