CH312219A
(en )
1955-12-31
Process for the regeneration of waste paper.
CH317133A
(en )
1956-11-15
Process for polymerizing acrylonitrile
CH293129A
(en )
1953-09-15
Process for cleaning objects made of rigid material.
CH321960A
(en )
1957-05-31
Process for cleaning metallic titanium
CH312340A
(en )
1955-12-31
Process for the electrostatic application of liquids.
CH307386A
(en )
1955-05-31
Process for cleaning titanium.
CH304707A
(en )
1955-01-31
Process for fractionating a solids-laden liquid and equipment for carrying out this process.
AT178073B
(en )
1954-04-10
Process for cleaning waste water from the viscose industry
CH316324A
(en )
1956-09-30
Process for cleaning the exhaust gases from viscose factories
CH330144A
(en )
1958-05-31
Process for the removal of impurities, in particular malodorous substances, from water
AT181807B
(en )
1955-04-25
Device for cleaning granulating plates
AT188337B
(en )
1957-01-10
Process for cleaning precoat filters
AT182026B
(en )
1955-05-25
Process for cleaning metal surfaces
CH314052A
(en )
1956-05-31
Process for the continuous casting of socket pipes
CH276136A
(en )
1951-06-30
Process for filtering liquids.
AT176345B
(en )
1953-10-10
Motor-driven scraping tool for cleaning surfaces
AT185601B
(en )
1956-05-25
Device for cleaning centrifuge plates
AT173794B
(en )
1953-01-26
Process for removing asbestos
CH289352A
(en )
1953-03-15
Method of cleaning laundry.
AT181176B
(en )
1955-02-25
Process for the regeneration of waste paper
AT186972B
(en )
1956-10-10
Process for the regeneration of waste paper
CH299722A
(en )
1954-06-30
Method of cleaning rigid material.
AT174369B
(en )
1953-03-25
Process for removing crystal deposits
AT182845B
(en )
1955-08-10
Cleaning apparatus, in particular for cleaning floors
AT182708B
(en )
1955-07-25
Process for purifying crude dimethylformamide