CH34058A
(en )
1906-02-28
Plant for the production of lean gas
CH28956A
(en )
1904-07-15
Plant for the production of an explosive mixture containing water vapor
FR365803A
(en )
1906-09-18
Process and plant for the manufacture of calcium carbide
FR342476A
(en )
1904-09-08
Process for the production of a rot-proof biscuit
CH40831A
(en )
1908-08-17
Mixture for the production of advanced dental cement
FR6404E
(en )
1906-11-03
Process for the production of aminonaphthols
FR359064A
(en )
1906-03-15
Process for the production of aminonaphthols
FR360924A
(en )
1906-05-07
Gasifier for the production of acetylene gas
FR362447A
(en )
1906-06-23
Production of hydrosulfites-formaldehydes
FR353242A
(en )
1905-09-06
Process for the production of hardened plaster
FR348613A
(en )
1905-04-18
Process for obtaining a solid foundation for constructions
FR346092A
(en )
1904-12-31
Process for the production of oil gas
FR353553A
(en )
1905-09-14
Oxygen carburettor for the production of artificial light
FR349074A
(en )
1905-05-10
Process for the manufacture of a primer
FR11257E
(en )
1910-01-11
Process for the manufacture of a primer
CH31603A
(en )
1905-04-30
Plant for the industrial manufacture of oxygen
FR387736A
(en )
1908-07-21
Process for the manufacture of a new primer
FR351192A
(en )
1905-07-05
Process for the manufacture of heat-insulating insulation
FR463122A
(en )
1914-02-14
Railway sleeper made from a mixture of asbestos and cement, as well as process and mechanical installation for its manufacture
CH12164A
(en )
1896-10-31
Plant for the manufacture of matches
ES43984A1
(en )
1908-10-16
A procedure for the manufacture of slag to make "Portland" cement.
FR369720A
(en )
1907-01-18
Process for the preparation of explosives
FR346379A
(en )
1905-01-17
Apparatus for the production of a disinfectant or extinguisher gas
FR381958A
(en )
1908-01-25
Process for the manufacture of miners' rivelaines
CH33100A
(en )
1905-10-31
Plant for the treatment of goods with a mixture of ozone and gaseous oxygen agents