ZA717213B
(en )
1972-12-27
Improvements in building construction
ZA71938B
(en )
1971-10-27
Improvements in or relating to damp-proof courses for buildings
ZA711408B
(en )
1971-11-24
Improvements in or relating to building construction,and elements for use therein
ZA713261B
(en )
1972-01-26
Improvements in or relating to structural members
MY7400212A
(en )
1974-12-31
Improvements in or relating to building panels
ZA711543B
(en )
1972-08-30
Improvements in or relating to insulating materials
ZM1673A1
(en )
1974-02-21
Improvements in or relating to building structures
ZA705109B
(en )
1971-04-28
Improvements in or relating to prefabricated buildings
ZA711498B
(en )
1971-11-24
Improvements in and relating to buildings
HK46177A
(en )
1977-09-16
Improvements in or relating to building construction
ZA706840B
(en )
1971-07-28
Improvements in or relating to buildings
ZA71761B
(en )
1971-10-27
Improvements in or relating to buildings
ZA71212B
(en )
1971-10-27
Improvements in or relating to prefabricated buildings
ZA722741B
(en )
1973-01-31
Improvements in or relating to building construction
ZA70778B
(en )
1971-05-27
Improvements in or relating to building construction
HK32579A
(en )
1979-05-25
Improvements in or relating to building methods
ZA70446B
(en )
1971-05-27
Improvements in or relating to building elements
AU473514B2
(en )
1976-06-24
Improvements in or relating to buildings
ZA713307B
(en )
1972-01-26
Improvements in or relating to buildings
ZA703236B
(en )
1972-05-31
Improvements in or relating to prefabricated buildings
ZA701090B
(en )
1971-05-27
Improvements in or relating to building blocks
ZA701107B
(en )
1971-05-27
Improvements in or relating to building blocks
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA715888B
(en )
1972-11-29
Improvements in or relating to building construction
ZA723323B
(en )
1973-02-28
Improvements in or relating to building construction members