ZA715448B
(en )
1972-04-26
Improvements in or relating to containers
IL37497A0
(en )
1971-11-29
Improvements in or relating to pillars
MY7600232A
(en )
1976-12-31
Improvements in or relating to yeast
MY7600117A
(en )
1976-12-31
Improvements in and relating to explosives
ZA738149B
(en )
1974-08-28
Improvements in or relating to aircraft
ZA713261B
(en )
1972-01-26
Improvements in or relating to structural members
ZA716948B
(en )
1973-06-27
Improvements in or relating to mechanisms
ZA737327B
(en )
1974-10-30
Improvements in or relating to mine brattices
ZA732609B
(en )
1974-03-27
Improvements in or relating to wagon tipplers
ZA731854B
(en )
1974-01-30
Improvements in or relating to mine roof supports
ZA712845B
(en )
1972-01-26
Improvements in or relating to containers
AU463909B2
(en )
1975-08-07
Improvements in or relating to mine roof supports
ZA71477B
(en )
1971-10-27
Improvements in or relating to stoppers
ZA711445B
(en )
1972-08-30
Improvements in or relating to shoemaking
ZA71692B
(en )
1971-12-29
Improvements in or relating to coldflow rivets
ZA713573B
(en )
1972-01-26
Improvements in or relating to curved shells for roof constructions
ZA712556B
(en )
1972-01-26
Improvements in or relating to pipes
ZA717426B
(en )
1972-08-30
Improvements in or relating to garbage reseptacles
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA705100B
(en )
1971-10-27
Improvements in or relating to roof covering
AU462402B2
(en )
1975-06-06
Improvements in or relating to tool-retaining means
AU450824B2
(en )
1973-01-04
Improvements in or relating to mine roof supports
MY7400171A
(en )
1974-12-31
Improvements in or relating to dressmaking forms
ZA713685B
(en )
1972-01-26
Improvements in or relating to sulphonylsemicarbazides
ZA714284B
(en )
1972-08-30
Improvements in or relating to fuse-holders