ZA728996B
(en )
1973-09-26
Improvements in and relating to containers
ZA731896B
(en )
1974-05-29
Improvements in or relating to ozonisers
HK7279A
(en )
1979-02-16
Improvements in and relating to pipe cutters
ZA734073B
(en )
1974-08-28
Improvements in concrete pipes
HK54176A
(en )
1976-09-10
Improvements in and relating to cameras
ZA722898B
(en )
1973-06-27
Improvements in or relating to pipes
ZA728920B
(en )
1973-09-26
Improvements in and relating to containers
ZA73623B
(en )
1973-10-31
Improvements in and relating to containers
ZA733375B
(en )
1975-01-29
Improvements in or relating to concrete pipes
ZA729105B
(en )
1973-09-26
Improvements in or relating to mortars and the like
HK1677A
(en )
1977-01-14
Improvements in or relating to rollers
KE2678A
(en )
1976-12-10
Improvements in or relating to pipes
ZA733445B
(en )
1974-04-24
Improvements in and relating to containers
ZA734848B
(en )
1974-11-27
Improvements in and relating to heaters
HK17377A
(en )
1977-04-22
Improvements in and relating to cameras
HK63876A
(en )
1976-10-22
Improvements in and relating to cameras
HK63676A
(en )
1976-10-22
Improvements in and relating to cameras
ZA732327B
(en )
1974-02-27
Improvements in and relating to the manufacture of concrete pipes
AU6254773A
(en )
1975-05-15
Improvements in and relating to the forming of materials
ZA738623B
(en )
1975-04-30
Improvements in and relating to structures
ZA721779B
(en )
1973-06-27
Improvements in and relating to pipe forming means
IE38664B1
(en )
1978-05-10
Improvements in and relating to chairs
IE36537B1
(en )
1976-11-24
Improvements in and relating to boilers
ZA724648B
(en )
1973-04-25
Improvements in or relating to pipes
HK63776A
(en )
1976-10-22
Improvements in and relating to cameras