ES5372H3
(en )
1876-11-11
PROCEDURE TO PERFECT THE SKIN TANNING
ES36705A1
(en )
1905-10-01
A procedure for the tanning of hides and skins.
ES2533A2
(en )
1883-02-20
Some mechanisms to obtain certain shapes of the wood.
ES2634A1
(en )
1883-05-29
Procedure for the disinfection and conservation of hides and skins of all kinds.
ES16204A1
(en )
1894-10-16
Improvements in the procedure for tanning dry hides and skins.
ES10219A1
(en )
1890-02-01
Improvements in the procedure for the manufacture of colors and paints.
ES34606A1
(en )
1904-10-16
A new method to obtain the tanning of hides and skins.
ES8789A1
(en )
1888-11-16
Improvements in the procedure for the treatment of hides and skins.
ES64382A1
(en )
1917-05-16
A procedure for the instant tanning of leathers of any kind.
ES63722A1
(en )
1917-02-16
Procedure for white tanning of hides.
ES2780A1
(en )
1883-08-12
Improvements in the manufacture of horseshoes.
ES5097H1
(en )
1873-10-14
PROCEDURE FOR THE MANUFACTURE OF MATCH BOXES WITH BOOKS FOR ADVERTISEMENTS ATTACHED TO THEM
ES52410A1
(en )
1912-05-16
Procedure for tanning the skins of fish, cetaceans and similar animals.
ES5101H1
(en )
1873-11-01
PROCEDURE TO APPLY THE LEAVES THAT FALL FROM THE TREES AS TANNIC OR TANNING MATTER
ES6198A1
(en )
1886-08-27
A procedure for the tanning of leather hides.
ES9085A1
(en )
1889-02-16
Procedure for the manufacture of dicalcium phosphate, known as "Precipitated Phosphate".
ES2757A1
(en )
1883-08-11
Improvements in the procedure for the manufacture of nails for horseshoes and plates, from which they are made.
ES47055A3
(en )
1910-03-01
A procedure to obtain the white tanning of hides and skins, industrially called "imperial".
ES34198A1
(en )
1904-08-01
A procedure for cleaning and simultaneously coloring leather, fur and the like.
ES5223H1
(en )
1889-10-20
PROCEDURE FOR THE BENEFIT OF THE COPPER IRON PYRITE
ES2824A1
(en )
1883-08-12
Mechanical procedure to indicate the position of turn points and sidings on railways.
ES31584A1
(en )
1903-06-16
A procedure to conveniently prepare the background for colored photographs.
ES2741A1
(en )
1883-08-12
A procedure to make artificial leathers, from the fibers of the leather, using the waste of the same hides and animal nerves.
ES4943H1
(en )
1873-04-30
PROCEDURE INTRODUCED IN THE MANUFACTURE OF VARILLAGES FOR FANS CONSISTENT IN THE DECORATION OF THE EXEMPLARY.
ES3249A1
(en )
1883-11-04
An anti-phyloxylic fertilizer entitled "Sarrot-Verom" and for the cure of "Oidium Tukerry".