MY8200107A
(en )
1982-12-31
Improvements in or relating to bridges and like structures
HK33881A
(en )
1981-07-24
Improvements in or relating to quay structures
ZA766238B
(en )
1978-01-25
Improvements in or relating to acid-resistant cement
PH14148A
(en )
1981-03-05
Improvements in and relating to air-line lubbricators and the like
ZA76347B
(en )
1977-08-31
Improvements in or relating to coatings
ZA76903B
(en )
1977-09-28
Improvements in or relating to building blocks
ZA754639B
(en )
1977-05-25
Improvements in or relating to artificial marble granite and the like
ZA767122B
(en )
1977-10-26
Improvements in or relating to conveyors
MY8400032A
(en )
1984-12-31
Improvements in or relating to the desigh and construction
ZA767228B
(en )
1978-02-22
Improvements in or relating to buildings
JPS55126583A
(en )
1980-09-30
Imitation marble and its manufacture
ZA761366B
(en )
1977-02-23
Improvements in or relating to temporary buildings
ZA764568B
(en )
1978-03-29
Improvements in or relating to building structures
ZA767369B
(en )
1977-11-30
Improvements in or relating to the production of surfacing units
ZA766819B
(en )
1978-02-22
Improvements in the treatment of sand
ZA76604B
(en )
1977-01-26
Improvements in gardening and like tools
AU492567B1
(en )
1977-09-15
Improvements in and relating to the decoration of materials
ZA783000B
(en )
1979-07-25
Improvements in the treatment of sand
ZA761555B
(en )
1977-03-30
Improvements in or relating to electroprecipitation
GB1554227A
(en )
1979-10-17
Pyrimidines and in their preparation
ZA756316B
(en )
1976-09-29
Improvements in or relating to heathardened building materials
HK16583A
(en )
1983-05-20
Improvements in or relating to drains
ZA756803B
(en )
1976-12-29
Improvements in and relating to roofing and the like
ZM14975A1
(en )
1977-04-21
Improvements in or relating to heat-hardened building materials
ZA757221B
(en )
1976-11-24
Improvements in or relating to wedge-assembled structures