ZA711342B
(en )
1971-11-24
Improvements in or relating to the manufacture of shaped components
GB1245688A
(en )
1971-09-08
Improvements in or relating to the manufacture of serpentine piping
ZA693922B
(en )
1971-01-27
Improvements in or relating to the manufacture of synthetic elastomers
ZA706996B
(en )
1972-05-31
Improvements in or relating to the prestressing of concrete structures
ZA697187B
(en )
1971-05-27
Improvements in the placing of concrete
ZA711543B
(en )
1972-08-30
Improvements in or relating to insulating materials
GB1170085A
(en )
1969-11-12
Improvements in or relating to the manufacture of cement clinker.
GB1173054A
(en )
1969-12-03
Improvements in or relating to the Manufacture of Expanded Nodules
ZA698189B
(en )
1971-07-28
Improvements in or relating to the grouting of soils
GB1170084A
(en )
1969-11-12
Improvements in or relating to the manufacture of cement.
ZA706840B
(en )
1971-07-28
Improvements in or relating to buildings
ZA696082B
(en )
1971-04-28
Improvements in or relating to the manufacture of roofing tiles
IE32214B1
(en )
1973-05-16
Improvements in or relating to the manufacture of concrete elements
IL33569A0
(en )
1970-02-19
Fixing element to be used in brickwork or the like
ZA698053B
(en )
1971-06-30
Improvements in or relating to the manufacture of oligo-124-4h-triazoles
ZA695455B
(en )
1971-03-31
Improvements in or relating to the manufacture of flat glass
ZA711485B
(en )
1971-11-24
Improvements in and relating to concrete elements and the production thereof
ZA718082B
(en )
1973-03-28
Improvements in or relating to the casting of concrete of the like
ZA722741B
(en )
1973-01-31
Improvements in or relating to building construction
ZA705686B
(en )
1971-04-28
Improvements in or relating to splints
ZA71761B
(en )
1971-10-27
Improvements in or relating to buildings
IL34531A0
(en )
1970-12-24
Improvements in or relating to the construction of plated-wire memory planes
ZA694752B
(en )
1971-02-24
Improvements in or relating to the manufacture of polymeric materials
ZM7968A1
(en )
1968-11-16
Improvements in or relating to wall construction
IE32246B1
(en )
1973-05-30
Improvements in or relating to the manufacture of clay pipes