AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
DK33677C
(en )
1924-09-22
Process for the production of a potassium-containing fertilizer.
CH131096A
(en )
1929-01-31
Process for the production of phosphorus pentasulfide.
DK34933C
(en )
1925-08-31
Process for the production of a fertilizer containing citrate-soluble phosphoric acid.
DK36650C
(en )
1926-10-11
Process for the production of a phosphoric acid-containing fertilizer.
ES90805A1
(en )
1924-11-01
A process for the synthetic production of ammonia.
ES105037A3
(en )
1928-01-01
A process for the synthetic production of ammonia.
DK35424C
(en )
1925-12-21
Procedure for the manufacture of a raw material for papermaking.
DK33649C
(en )
1924-09-08
Procedure for the production of decolorizing coal.
ES119644A1
(en )
1930-10-16
A process for the manufacture of resitols.
DK33441C
(en )
1924-07-14
Procedure for the Synthetic Production of Ammonia.
CH111828A
(en )
1925-10-01
Woodturning process.
DK36174C
(en )
1926-06-28
Procedure for the production of coating materials.
DK34329C
(en )
1925-03-30
Process for the production of easily dilutable, amorphous silicic acid.
DK35340C
(en )
1925-12-07
Procedure for the production of tungsten filaments.
ES92466A1
(en )
1925-05-16
A process for the manufacture of hydrogen.
DK35549C
(en )
1926-01-25
Procedure for the Production of Nutrients for the Yeast by the Production of Press Yeast.
DK33510C
(en )
1924-08-04
Procedure for the Production of Charcoal.
FR642946A
(en )
1928-09-06
Process for the production of 1.8-naphthoxypenthiophenes
DK38785C
(en )
1928-05-21
Method of Making a Fertilizer.
DK38216C
(en )
1927-12-05
Process for the production of a porous substance.
ES85341A1
(en )
1923-07-01
A procedure for the production of bricks.
DK48703C
(en )
1934-04-30
Process for the production of a gluten-like product.
ES85375A1
(en )
1923-07-01
A process for the manufacture of a mixed fertilizer by means of stillage or similar organic matter.
ES89048A2
(en )
1924-05-01
Superphosphate manufacturing process.