DK29666C
(en )
1922-05-29
Procedure for the Production of Trinitroresorcin.
DK30836C
(en )
1922-11-27
Procedure for the production of hollow artifacts.
DK31531C
(en )
1923-04-09
Procedure for the Production of Petroleum.
DK29275C
(en )
1922-01-30
Procedure for the Production of Saccharin.
DK33975C
(en )
1924-12-22
Procedure for the production of artificial tannins.
DK33510C
(en )
1924-08-04
Procedure for the Production of Charcoal.
DK30833C
(en )
1922-11-27
Procedure for the Manufacture of Peat Forms.
DK32613C
(en )
1923-12-10
Procedure for Making Litopon.
DK33140C
(en )
1924-04-28
Procedure for Making Litopone.
DK31406C
(en )
1923-03-12
Procedure for Making Litopon.
DK37123C
(en )
1927-02-14
Procedure for the Manufacture of Footwear.
DK31231C
(en )
1923-02-05
Procedure for the production of barium hydroxide.
DK32071C
(en )
1923-08-06
Procedure for the production of monoazo dyes.
DK32091C
(en )
1923-08-13
Procedure for the manufacture of spinnerets of ceramic fabrics.
DK30693C
(en )
1922-11-20
Procedure for Manufacturing Perleessens.
DK32093C
(en )
1923-08-13
Process for the production of zinc oxide.
DK35340C
(en )
1925-12-07
Procedure for the production of tungsten filaments.
DK30661C
(en )
1922-11-13
Procedure for the production of very thin magnesium.
DK33431C
(en )
1924-07-07
Method of Making Cement.
ES78039A1
(en )
1921-07-01
A procedure for the construction of filature pots.
DK29879C
(en )
1922-07-03
Procedure for the production of artificial tannins.
DK34009C
(en )
1924-12-29
Procedure for the Manufacture of Footwear.
DK35592C
(en )
1926-02-08
Procedure for the manufacture of footwear for footwear.
ES71288A1
(en )
1919-12-01
A procedure for the manufacture of artificial sandstones.
DK24290C
(en )
1919-03-31
Procedure for the Manufacture of Co-lacquer.