CY80A
(en )
1949-10-03
Improvements in and relating to building units and building construction
IE16824L
(en )
1946-02-27
Improvements in floors and other like structures
GB618778A
(en )
1949-02-28
Puzzle adapted for pedagogical purposes and the like
GB605207A
(en )
1948-07-19
Improvements in structural toys
AU126212B2
(en )
1947-12-24
Improvements in or relating to building structures and to elements usable therewith
MY5300042A
(en )
1953-12-31
Improvements in and relating to luminescent materials
GB603183A
(en )
1948-06-10
Improvements in chessmen
AU124168B2
(en )
1947-05-15
Improvements in and relating to buildings
AU2151845A
(en )
1947-12-24
Improvements in or relating to building structures and to elements usable therewith
AU125542B2
(en )
1947-10-02
Improvements in and relating to building constructions
AU126682B2
(en )
1948-02-12
Improvements in and relating to building constructions
AU127543B2
(en )
1948-05-06
Improvements in and relating to building construction
AU126134B2
(en )
1947-12-11
Improvements in and relating to building construction
AU131364B2
(en )
1945-10-15
Improvements in building construction
AU128662B2
(en )
1946-07-05
Improvements in scaffolding and like structures
AU1933945A
(en )
1947-05-15
Improvements in and relating to buildings
AU123968B2
(en )
1947-04-17
Improvements in locks and fastening devices
AU128398B2
(en )
1945-09-15
Improvements in toy building blocks and like elements
AU132425B2
(en )
1945-12-18
Improvements in concrete
AU119940B2
(en )
1945-05-24
Improvements in and relating to prefabricated buildings
AU2094545A
(en )
1947-10-02
Improvements in and relating to building constructions
AU2444545A
(en )
1948-02-12
Improvements in and relating to building constructions
AU124702B2
(en )
1947-07-10
Improvements in rigging blocks and the like
AU142494B2
(en )
1951-07-12
Poster-supporting and like panels
AU142482B2
(en )
1948-02-26
Poster-supporting and like panels