CH416156A
(en )
1966-06-30
Process for producing durable reagent papers
CH358322A
(en )
1961-11-15
Process for improving the wet strength of paper
AT175704B
(en )
1953-08-10
Process for impregnating fibrous materials
AT181173B
(en )
1955-02-25
Process for processing wood into pulp
CH320288A
(en )
1957-03-31
Process for fractionating starch
AT181172B
(en )
1955-02-25
Process for processing wood into pulp
AT278221B
(en )
1970-01-26
Process for processing high quality oils
AT184755B
(en )
1956-02-25
Process for the automatic evaluation of documents
AT176354B
(en )
1953-10-10
Device for impregnating wood
AT189476B
(en )
1957-04-10
Process for metallizing non-conductors
AT173554B
(en )
1953-01-10
Process for finishing wood
AT175784B
(en )
1953-08-10
Process for refining hardwood pulp
CH294785A
(en )
1953-11-30
Process for impregnating wood.
AT174472B
(en )
1953-04-10
Device for pressure impregnation of wood drilling blocks
AT176014B
(en )
1953-09-10
Process for impregnating wood
CH291830A
(en )
1953-07-15
Process for the pretreatment of wood chips for the production of pulp.
AT188288B
(en )
1957-01-10
Process for processing sugar solutions
CH291829A
(en )
1953-07-15
Process for the pretreatment of wood for the production of pulp.
AT173673B
(en )
1953-01-10
Process for the processing of fermented sulphite waste liquors
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT181177B
(en )
1955-02-25
Process for the processing of sulphite waste liquors in the pulp industry
DD2307A5
(en )
1953-01-12
Process for impregnating wood
AT174732B
(en )
1953-04-25
Process for the even impregnation of wood
AT179091B
(en )
1954-07-10
Process for impregnating beech wood
AT195240B
(en )
1958-01-25
Process for bleaching wood pulp