IL37497A0
(en )
1971-11-29
Improvements in or relating to pillars
ZA72149B
(en )
1972-09-27
Improvements in or relating to tunnelling
MY7600232A
(en )
1976-12-31
Improvements in or relating to yeast
ZA717579B
(en )
1972-08-30
Improvements in or relating to self-propelled vehicles
MY7500223A
(en )
1975-12-31
Improvement in or relating to keyboards
ZA717523B
(en )
1972-08-30
Improvements in or relating to gettering elements
ZA716948B
(en )
1973-06-27
Improvements in or relating to mechanisms
ZA731854B
(en )
1974-01-30
Improvements in or relating to mine roof supports
ZA711543B
(en )
1972-08-30
Improvements in or relating to insulating materials
ZA711445B
(en )
1972-08-30
Improvements in or relating to shoemaking
AU463909B2
(en )
1975-08-07
Improvements in or relating to mine roof supports
ZA71290B
(en )
1971-10-27
Improvements in or relating to screening
ZA713838B
(en )
1972-02-23
Improvements in or relating to seals
ZA721773B
(en )
1972-12-27
Improvements in or relating to self propelled mine roof supports
ZA71692B
(en )
1971-12-29
Improvements in or relating to coldflow rivets
AU2343670A
(en )
1972-06-22
Improvements in or relating to covering materials
ZA712296B
(en )
1972-11-29
Improvements in or relating to insulators
ZA708226B
(en )
1972-07-26
Improvements in or relating to fasteners
ZA705100B
(en )
1971-10-27
Improvements in or relating to roof covering
ZA71761B
(en )
1971-10-27
Improvements in or relating to buildings
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
AU450824B2
(en )
1973-01-04
Improvements in or relating to mine roof supports
ZA71396B
(en )
1971-10-27
Improvements in or relating to fasteners
ZA701112B
(en )
1971-04-28
Improvements in or relating to tents
AU3045871A
(en )
1973-01-04
Improvements in or relating to mine roof supports