GB355161A
(fr )
1931-08-20
SE70394C1
(fr )
1930-01-01
US539258A
(en )
1895-05-14
Process of drying fruit
DE569473C
(de )
1933-02-19
Kontaktreinigungsverfahren
SU23931A1
(ru )
1931-10-31
Способ осахаривани дерева
SU94697A1
(ru )
1959-02-06
Способ приготовлени слюд ной суспензии
DE849398C
(de )
1952-09-18
Mittel zum Krumpffestmachen von Wolle
SU38419A1
(ru )
1934-08-31
Способ изготовлени огнеупорных коробок дл хранени фильмов
SU72483A1
(ru )
1948-11-30
Способ варки силиката натри на сульфате натри
SE47284C1
(fr )
1920-01-01
GB222836A
(fr )
1925-04-23
GB229678A
(en )
1926-05-18
Process for the production of alkali cellulose
GB313771A
(en )
1929-06-20
Improvements in or relating to water-proofing, more especially for wool and silk goods
GB458849A
(en )
1935-09-23
The manufacture of sulphonation products of arozlated amines
GB795879A
(en )
1958-06-04
Process for the preparation of cyanuric acid from urea
GB358295A
(fr )
1931-10-08
SE70883C1
(fr )
1930-01-01
GB388553A
(en )
1933-03-02
Process for extracting water of crystallisation or hydration from salts
GB968484A
(en )
1964-09-02
Improvements in or relating to treatment of dyed anodized aluminum
GB345451A
(en )
1931-03-26
Process of and apparatus for the manufacture of diammonium phosphate
GB275374A
(en )
1927-08-11
An improved medium for the protection of fibrous materials during the chemical treatment thereof and processes for the manufacture and for the use of the said protective medium
GB422463A
(en )
1935-01-11
Process for the decomposition of siliceous aluminiferous minerals
GB176977A
(en )
1922-03-23
Improvements in the manufacture of ammonium sulphate
DK71696C
(da )
1950-11-13
Fremgangsmåde ved fremstilling af limgelé ved varmebehandling af friske dyreknogler i lukkede beholdere.
GB162100A
(en )
1921-04-28
Improvements in and connected with the cleansing of condensers and like apparatus