HK3379A
(en )
1979-01-19
Improvements in and relating to padlocks
ZA7624B
(en )
1976-12-29
Improvements in or relating to split cable-sleeves
ZA753061B
(en )
1977-01-26
Improvements in and relating to valves
PT65217A
(en )
1976-07-01
Improvements in and relating to closures
PT64895B
(en )
1977-08-18
Improvements in or relating to tubes and structures formedthereby
ZA764911B
(en )
1978-03-29
Improvements in and relating to veneer-peeling machines
ZA762484B
(en )
1977-04-27
Improvements in or relating to penstocks
ZA767430B
(en )
1977-11-30
Improvements in and relating to pyrotechnic devices
ZA763615B
(en )
1977-05-25
Improvements in or relating to printing methods and apparatus
AU507980B2
(en )
1980-03-06
Improvements in and relating to lintels
ZA76136B
(en )
1977-09-28
Improvements in and relating to transducers
PH14148A
(en )
1981-03-05
Improvements in and relating to air-line lubbricators and the like
HK30979A
(en )
1979-05-18
Improvements in and relating to tabletting processes
HK31179A
(en )
1979-05-18
Improvements in or relating to safes
GR60267B
(en )
1978-04-20
Improvements in or relating to anchors
ZA763401B
(en )
1978-01-25
Improvements in and relating to valves
PH12609A
(en )
1979-06-27
Improvements in and relating to piling methods
ZA763513B
(en )
1977-05-25
Improvements in and relating to closures
ZA765345B
(en )
1977-08-31
Improvements in and relating to strata reinforcement
ZA742369B
(en )
1975-04-30
Improvements in and relating to piling methods
ZA756368B
(en )
1976-10-27
Improvements in and relating to windmotors
MY8400032A
(en )
1984-12-31
Improvements in or relating to the desigh and construction
ZA761555B
(en )
1977-03-30
Improvements in or relating to electroprecipitation
ZM12076A1
(en )
1977-10-21
Improvements in or relating to shut-off-valves
ZA754859B
(en )
1976-08-25
Improvements in and relating to clamps