DK43659C
(en )
1931-02-02
Procedure for the production of phosphoric acid and ammonium fertilizers.
DK50372C
(en )
1935-06-24
Procedure for the manufacture of fertilizers.
ES111590A1
(en )
1929-05-01
An industrial process for the manufacture of concentrated superphosphates and phosphoric acid.
DK47141C
(en )
1933-03-27
Procedure for the production of calcium phosphate and nitrogenous fertilizers.
DK44473C
(en )
1931-08-10
Procedure for the manufacture of fertilizers.
DK38617C
(en )
1928-04-02
Method of Manufacture of Fertilizers.
DK44526C
(en )
1931-08-24
Procedure for the production of ammonium sulphate and sulfur.
ES111783A1
(en )
1929-05-16
Process for the manufacture of phosphoric acid and hydrogen.
DK48014C
(en )
1933-11-13
Procedure for the Manufacture of Plants.
DK50180C
(en )
1935-04-23
Procedure for the production of phosphoric acid fertilizers.
FR694628A
(en )
1930-12-05
Phosphate fertilizers
DK48723C
(en )
1934-05-07
Method of Manufacturing Fertilizer.
DK35704C
(en )
1926-03-01
Method of Manufacture of Fertilizers.
DK36090C
(en )
1926-06-07
Method of Manufacture of Fertilizers.
DK39845C
(en )
1929-02-25
Procedure for the production of hydrocyanic acid.
DK47142C
(en )
1933-03-27
Method of Manufacture of Fertilizers.
DK47185C
(en )
1933-04-10
Process for the production of mixed fertilizers of ammonium sulphate and ammonium nitrate.
DK47889C
(en )
1933-10-16
Procedure for the production of magnesium fertilizers.
ES112147A1
(en )
1929-06-16
Process for the manufacture of mixed fertilizers containing biamonic phosphate.
DK45352C
(en )
1932-03-07
Procedure for the Production of Cuprinitrate.
ES112005A1
(en )
1929-06-16
A procedure for the manufacture of fertilizers.
ES113720A2
(en )
1929-09-01
A procedure for the manufacture of fertilizers.
DK44567C
(en )
1931-09-07
Procedure for the production of ready-to-use paints.
DK45320C
(en )
1932-02-29
Procedure for the Production of Cellulite.
DK36650C
(en )
1926-10-11
Process for the production of a phosphoric acid-containing fertilizer.