DK44652C
(en )
1931-09-28
Method for the Extraction of Pure Morphine and Pure Bialkaloids of Opium.
DK46826C
(en )
1933-01-23
Method of Extraction of Vegetable Albumins.
DK47577C
(en )
1933-07-24
Method and Device for Extraction of a Carbon Monoxide - Free Bygas.
DK45366C
(en )
1932-03-07
Method for the production of dispersible and storage-resistant nitrophosphates.
DK45878C
(en )
1932-07-04
Method and Machine for Making Glass Tubes.
DK43708C
(en )
1931-02-16
Method and Device for Extraction of Hydrogen Gas.
DK55311C
(en )
1938-10-10
Procedure for the Extraction of Morphine and Codeine.
DK46671C
(en )
1932-12-27
Method and Device for Manufacturing Extended Cork.
DK47887C
(en )
1933-10-16
Process for the Extraction of Easily Soluble Derivatives of Pyridine Derivatives.
DK44650C
(en )
1931-09-28
Method and Machine for Making Matches.
CA285651A
(en )
1928-12-18
Gas or liquid extraction method
DK41797C
(en )
1930-03-10
Procedure for Extraction of Peat.
CA287652A
(en )
1929-03-05
Oil extraction method
DK42166C
(en )
1930-05-05
Procedure for framing pearls and the like.
DK73608C
(en )
1952-01-07
Process for the recovery of opium alkaloids.
CA292844A
(en )
1929-09-03
Extracting method by solvent
CA289774A
(en )
1929-05-21
Petroleum extraction method
DK44534C
(en )
1931-08-31
Method and Device for Manufacturing Ceramic Objects.
CA278415A
(en )
1928-03-06
Oil recovering method
DK40752C
(en )
1929-09-09
Automatic electric puller for watches.
CA288122A
(en )
1929-03-19
Oil recovering method
DK55726C
(en )
1939-01-16
Method and Apparatus for the Extraction and Purification of Starch.
DK44030C
(en )
1931-04-20
Procedure for Extraction of Trapped Oils.
DK41260C
(en )
1929-12-09
Method of Making Wallpaper.
DK44535C
(en )
1931-08-31
Procedure and Apparatus for the Production of Pure Alcohol.