ZA727015B
(en )
1974-05-29
Improvements in or relating to the manufacture of tiles
IL39016A0
(en )
1972-05-30
Improvements in the production of prefabricated building units
ZA717903B
(en )
1972-08-30
Improvements in or relating to methods in the production of plant-mixed asphalt concrete
GB1404337A
(en )
1975-08-28
Decorative tiles
IE36993B1
(en )
1977-04-13
Improvements in or relating to ceilings for buildings
ZA716908B
(en )
1973-01-31
Improvements in and relating to the laying of blocks,bricks,tiles and the like
ZA732327B
(en )
1974-02-27
Improvements in and relating to the manufacture of concrete pipes
ZA696082B
(en )
1971-04-28
Improvements in or relating to the manufacture of roofing tiles
AU475421B2
(en )
1976-08-19
Improvements in and relating to tiles
ZA724986B
(en )
1973-04-25
Building blocks
ZA721087B
(en )
1972-11-29
Improvements in concrete pipes and the like
ZA722741B
(en )
1973-01-31
Improvements in or relating to building construction
GB1404934A
(en )
1975-09-03
Decorative tiles and methods of making them
AU462672B2
(en )
1975-07-03
Improvements relating tothe moulding of concrete pipes andthe like in situ
ZA718082B
(en )
1973-03-28
Improvements in or relating to the casting of concrete of the like
ZA703600B
(en )
1971-07-28
Improvements in or relating to building blocks,bricks and the like
ZA715760B
(en )
1972-05-31
Improvements in and relating to concrete or like pipes
ZA714225B
(en )
1972-08-30
Improvements in building blocks
ZA73727B
(en )
1973-11-28
Improvements in an relating to handling building tiles and the like
ZA715888B
(en )
1972-11-29
Improvements in or relating to building construction
GB1364871A
(en )
1974-08-29
Concrete masonry units
AU463138B2
(en )
1975-07-17
Improvements in concrete pipes andthe like
ZA723323B
(en )
1973-02-28
Improvements in or relating to building construction members
CA884779A
(en )
1971-11-02
Additive for concrete and mortar
ZA711753B
(en )
1972-04-26
Improvements in and relating to hollow blocks and the formation of structures