DK30959C
(en )
1922-12-18
Procedure for the Preparation of Formaldehyde.
DK32163C
(en )
1923-08-27
Procedure for Preserving Formaldehyde.
DK29327C
(en )
1922-02-13
Procedure for Preserving Formaldehyde.
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.
DK30693C
(en )
1922-11-20
Procedure for Manufacturing Perleessens.
DK30620C
(en )
1922-11-06
Procedure for Densification of Wood.
DK30692C
(en )
1922-11-20
Procedure for Densification of Wood.
DK29929C
(en )
1922-07-17
Procedure for Manufacturing Ignition Rates.
DK37123C
(en )
1927-02-14
Procedure for the Manufacture of Footwear.
DK30213C
(en )
1922-09-11
Procedure for the manufacture of detonators.
DK31908C
(en )
1923-06-25
Procedure for the manufacture of explosives.
ES81666A1
(en )
1922-10-01
Procedure for the manufacture of formaldehyde.
DK29416C
(en )
1922-04-10
Procedure for Making Yeast.
DK33003C
(en )
1924-03-24
Procedure for Making Yeast.
DK30980C
(en )
1922-12-18
Procedure for the preparation of solution-containing arsenic compounds.
DK28044C
(en )
1921-07-18
Procedure for the Preparation of Specific Vaccines.
DK36632C
(en )
1926-10-04
Procedure for Impregnation of Wood.
DK36846C
(en )
1926-11-29
Procedure for Impregnation of Wood.
DK34009C
(en )
1924-12-29
Procedure for the Manufacture of Footwear.
DK35592C
(en )
1926-02-08
Procedure for the manufacture of footwear for footwear.
ES75718A1
(en )
1921-01-01
Preparation procedure iododioxypropan.
DK30835C
(en )
1922-11-27
Procedure for the manufacture of articles of timber.