ZA765738B
(en )
1977-10-26
Improvements in or relating to pipe couplings
ZA7624B
(en )
1976-12-29
Improvements in or relating to split cable-sleeves
HK49980A
(en )
1980-09-12
Improvements in or relating to radiology
PT65673A
(en )
1976-11-01
Improvements in or relating to unit sets
HK71279A
(en )
1979-10-19
Improvements in or relating to radiography
ZA752650B
(en )
1976-11-24
Improvements in or relating to scaffolding
ZA763635B
(en )
1977-05-25
Improvements in or relating to antibiotics
HK50179A
(en )
1979-07-27
Improvements in or relating to pipe couplings
ZA762470B
(en )
1977-04-27
Improvements in or relating to cableclamping devices
HK48779A
(en )
1979-07-27
Improvements in or relating to radiography
ZA761761B
(en )
1977-09-28
Improvements in or relating to boilers
ZA756899B
(en )
1976-09-29
Improvements in or relating to ceramics
ZA766004B
(en )
1977-09-28
Improvements in or relating to connectors
HK50080A
(en )
1980-09-12
Improvements in or relating to radiography
ZA763849B
(en )
1977-05-25
Improvements in or relating to universal joints
ZA767122B
(en )
1977-10-26
Improvements in or relating to conveyors
GR60267B
(en )
1978-04-20
Improvements in or relating to anchors
ZA767228B
(en )
1978-02-22
Improvements in or relating to buildings
ZA757438B
(en )
1976-11-24
Improvements in or relating to releasable couplings
HK62077A
(en )
1977-12-23
Improvements in or relating to retaining rings
ZA761555B
(en )
1977-03-30
Improvements in or relating to electroprecipitation
ZA761776B
(en )
1977-04-27
Improvements in or relating to transfer materials
AU489018B2
(en )
1976-11-25
Improvements in or relating to couplings
HK71778A
(en )
1978-12-15
Improvements in or relating to kites
ZM12076A1
(en )
1977-10-21
Improvements in or relating to shut-off-valves