ES32259A1
(en )
1903-09-01
Improvements in the procedure for the concentration of minerals by means of the apparatus described.
ES31449A1
(en )
1903-06-01
A procedure for preserving organic matter by means of the apparatus described.
ES28932A1
(en )
1902-02-01
Improvements in the procedure for the treatment of copper minerals by means of the apparatus described.
ES17289A1
(en )
1895-05-16
Improvements in the liquid sterilization procedure by means of the apparatus described.
ES33526A1
(en )
1904-04-01
A procedure for drawing glass by means of the apparatus described.
ES19268A1
(en )
1896-08-16
Improvements in the procedure for forming calcium carbide by means of the apparatus described.
ES33311A1
(en )
1904-03-01
An improved procedure for the control of electric motors by means of the apparatus described.
ES24088A1
(en )
1899-05-01
Improvements in the treatment of minerals by means of the apparatus described.
ES21292A2
(en )
1897-10-16
The procedure for the treatment of complex sulfite minerals by means of the apparatus described.
ES33188A1
(en )
1904-02-16
Improvements in the procedure for stretching or laminating the glass by means of the apparatus described.
ES26355A1
(en )
1900-09-01
An improved disinfection procedure and arrangements for its application by means of the apparatus described.
ES22000A1
(en )
1898-02-01
Improvements in the procedure for making coke by means of the apparatus described.
ES32840A1
(en )
1903-12-16
Improvements in the procedure for the magnetic repair of iron ore by means of the apparatus described.
ES29326A3
(en )
1902-05-01
Improvements in devices for the concentration of minerals.
ES18743A1
(en )
1896-05-01
Improvements in the procedure for magnetic separation by means of the apparatus described.
ES30335A1
(en )
1902-11-01
Improvements in the procedure for the manufacture of coke by means of the apparatus described.
ES15695A1
(en )
1894-05-16
Improvements in the procedure for the manufacture of caustic soda by means of the apparatus described.
ES31613A1
(en )
1903-06-16
A mechanical procedure for driving the centrifuges by means of the apparatus described.
ES22400A1
(en )
1898-04-16
A disinfection procedure by means of the apparatus described.
ES28458A1
(en )
1901-10-16
Improvements in the manufacture of peg-spiked footwear by means of the apparatus described.
ES35576A1
(en )
1905-04-16
An improved procedure for the bleaching and sterilization of materials by means of the apparatus described.
ES34604A1
(en )
1904-10-16
An apparatus for lighting by means of hydrocarbons.
ES34914A1
(en )
1904-12-01
Improvements in the manufacture of glass by means of the apparatus described.
ES29003A1
(en )
1902-02-16
A procedure for effecting the tillage of mineral plaques by means of the apparatus described.
ES20862A1
(en )
1897-06-16
Improvements in the procedure for smelting copper by means of the apparatus described.