DK29666C
(en )
1922-05-29
Procedure for the Production of Trinitroresorcin.
DK31531C
(en )
1923-04-09
Procedure for the Production of Petroleum.
DK30505C
(en )
1922-10-23
Procedure for the production of artificial spinning.
DK33510C
(en )
1924-08-04
Procedure for the Production of Charcoal.
DK30661C
(en )
1922-11-13
Procedure for the production of very thin magnesium.
DK30833C
(en )
1922-11-27
Procedure for the Manufacture of Peat Forms.
DK33140C
(en )
1924-04-28
Procedure for Making Litopone.
DK32613C
(en )
1923-12-10
Procedure for Making Litopon.
DK31406C
(en )
1923-03-12
Procedure for Making Litopon.
DK29275C
(en )
1922-01-30
Procedure for the Production of Saccharin.
DK32071C
(en )
1923-08-06
Procedure for the production of monoazo dyes.
DK35036C
(en )
1925-09-21
Procedure for the Production of Paintings.
DK28425C
(en )
1921-09-12
Procedure for the manufacture of soapy soda.
DK33003C
(en )
1924-03-24
Procedure for Making Yeast.
DK29416C
(en )
1922-04-10
Procedure for Making Yeast.
DK33649C
(en )
1924-09-08
Procedure for the production of decolorizing coal.
DK30693C
(en )
1922-11-20
Procedure for Manufacturing Perleessens.
DK33877C
(en )
1924-11-17
Procedure for the production of aluminum-silicon alloys.
DK37123C
(en )
1927-02-14
Procedure for the Manufacture of Footwear.
DK35340C
(en )
1925-12-07
Procedure for the production of tungsten filaments.
ES77253A1
(en )
1921-04-16
Procedure for the manufacture of chocolate.
DK38558C
(en )
1928-03-19
PROCEDURE FOR SYNTHETIC PRODUCTION OF OXYFATIC ACIDS.
ES79085A1
(en )
1921-11-01
Procedure for the manufacture of oxamide.
GR347B
(en )
1922-10-17
METHOD OF IMPROVING THE PROPERTY OF KOLOFONI.
DK39339C
(en )
1928-10-08
Procedure for the Production of Cyanides.