AU2071929A
(en )
1930-09-02
Improvements in and relating to formers for concrete building construction
AU2034529A
(en )
1930-08-26
Improvements in concrete slab structures
AU2132029A
(en )
1930-08-26
Improvements in concrete slab structures
AU1781829A
(en )
1930-04-29
Improvements in or relating to concrete
AU1760024A
(en )
1925-01-27
Improvements in and relating to concrete building construction
AU1934929A
(en )
1929-10-08
Improvements in building construction
AU2138629A
(en )
1930-08-05
Improvements in building construction
AU1961229A
(en )
1930-05-20
Improvements in concrete pipe construction
CA289862A
(en )
1929-05-21
Concrete building construction
AU865527A
(en )
1928-08-14
Improvements in concrete building construction
CA293649A
(en )
1929-10-01
Precast concrete building
AU1245028A
(en )
1929-04-09
Improvements in and relating to forms for reinforced concrete construction
AU17126A
(en )
1926-06-08
Improvements in and relating to building construction
AU1388128A
(en )
1929-05-21
Improvements relating to building construction
CA288194A
(en )
1929-03-26
Concrete truss
AU1404228A
(en )
1929-06-04
Improvements in and relating to concrete pillars
AU3082830A
(en )
1932-01-07
Improvements in and relating to building elements and structures
AU1951629A
(en )
1929-10-08
Improvements in building consfrucition
AU2400125A
(en )
1926-07-20
Improvements in concrete building construction
AU2091029A
(en )
1930-06-24
Improvements in and relating to roofing tiles
CA291780A
(en )
1929-07-30
Textured concrete
AU1626924A
(en )
1924-07-22
Improvements in concrete building construction
CA295852A
(en )
1929-12-24
Concrete crossing slab
AU2249225A
(en )
1926-06-08
Improvements in and relating to concrete buildings
AU269926A
(en )
1926-11-16
Improvements in building construction in brick