AU2045029A
(en )
1930-06-03
Improvements in or relating tothe manufacture of linoleum or like material
AU2381129A
(en )
1930-04-01
Improvements in or relating tothe manufacture of linoleum
AU2394229A
(en )
1930-12-16
Improvements in or relating tothe manufacture of goods of rubber or similar material
AU1983129A
(en )
1930-05-13
Improvements in or relating tothe manufacture of articles of rubber or similar material
AU2293929A
(en )
1930-10-21
Improvements in or relating to the manufacture of goods of rubber or similar material
AU2162529A
(en )
1930-08-19
Improvements in or relating to covering material
AU1838229A
(en )
1929-08-27
Improvements in or relating tothe manufacture of cement
CA287721A
(en )
1929-03-05
Road-surfacing material
AU2302329A
(en )
1930-08-05
Improvements in or relating tothe manufacture of filtering materials
AU2015229A
(en )
1929-11-12
Improvements in or relating tothe manufacture of refractory materials
CA293068A
(en )
1929-09-10
Composite material
AU1378228A
(en )
1929-06-25
Improvements in or relating tothe manufacture of flour
AU269331A
(en )
1932-06-30
Improvements in or relating tothe manufacture of linoleum or like material
AU2568130A
(en )
1931-03-19
Improvements in or relating tothe manufacture of blocks of plaster or other material
AU2203129A
(en )
1930-09-09
Improvements in the manufacture of cement
AU2917130A
(en )
1931-10-01
Improvements in or relating tothe manufacture of articles of/or containing rubber or similar materials
CA291621A
(en )
1929-07-23
Cementitious material
CA291619A
(en )
1929-07-23
Cementitious material
CA288737A
(en )
1929-04-16
Plastic material
CA286405A
(en )
1929-01-15
Plastic material
CA295251A
(en )
1929-12-03
Plastic material
CA290680A
(en )
1929-06-25
Plastic material
CA293061A
(en )
1929-09-10
Colouring material
CA293063A
(en )
1929-09-10
Colouring material
CA293060A
(en )
1929-09-10
Colouring material