CY47A
(en )
1935-12-06
Improvements in or relating to the pulverizing of minerals and similar materials
FR782972A
(en )
1935-07-05
Improvements in stone crushers or other similar materials
FR768417A
(en )
1934-08-06
Improvements to agglomerated concrete blocks or similar substances used in constructions
FR766865A
(en )
1934-07-05
Improvement in jackhammers and the like
FR736867A
(en )
1932-11-30
Improvements in the construction of shredders
FR777508A
(en )
1935-02-22
Grinding machine for tiles and the like
Wertman
1932
The Democracy of Pickaway County in the Civil War
FR42337E
(en )
1933-07-11
Improvements to material crushers
AU101222B2
(en )
1937-06-10
Improvements in or relating to composite surfacing materials
FR775721A
(en )
1935-01-08
Improvements in the destructive hydrogenation of carbonaceous materials
FR776218A
(en )
1935-01-21
Improvements in the destructive hydrogenation of carbonaceous materials
FR754675A
(en )
1933-11-10
Improvements in the hydrogenation of carbonaceous materials
FR780077A
(en )
1935-04-18
Improvements in the destructive hydrogenation of solid carbonaceous materials
AU461736A
(en )
1937-06-10
Improvements in or relating to composite surfacing materials
FR775012A
(en )
1934-12-18
Improvements in the separation of minerals and other similar materials
FR768187A
(en )
1934-08-01
Processes for improving the construction of roads and other similar surfaces
ES128974A1
(en )
1933-01-16
Improvements in the manufacture of stone mills
FR760453A
(en )
1934-02-23
Improvement in machines for agglomerating coals or other materials
AU2447335A
(en )
1936-10-01
Improvements in or relating to footwear and materials for use in the manufacture thereof
FR800290A
(en )
1936-07-01
Improvement in road surfacing and the like
FR779086A
(en )
1935-03-29
Improvements to settings of precious stones or the like used in jewelry
FR822067A
(en )
1937-12-20
Further training in machines for crushing rubber and other similar materials
IE12474L
(en )
1933-05-30
Road and like surfacing
AU119203B2
(en )
1944-11-30
Improvements in or relating to gyratory crusher
AU1178533A
(en )
1934-03-22
Improvements in structures of concrete or like material andan improved unit for use therein