CH366450A
(en )
1962-12-31
Process for the production of reproductions of photographs
CH422515A
(en )
1966-10-15
Process for the production of printing forms
AT248863B
(en )
1966-08-25
Process for making paper
CH349881A
(en )
1960-10-31
Process and means for making paper
CH444810A
(en )
1967-10-15
Process for the production of a leather-like material
CH361193A
(en )
1962-03-31
Process for the direct production of positives
CH364693A
(en )
1962-09-30
Process for making color photographs
CH374887A
(en )
1964-01-31
Process for making paper
CH337598A
(en )
1959-04-15
Writing material and process for making the same
CH470267A
(en )
1969-03-31
Process for the production of carbonless papers for the transfer of machine and handwriting
CH366746A
(en )
1963-01-15
Process for the production of printing forms and their use
CH349885A
(en )
1960-10-31
Process for the production of offset prints
AT198774B
(en )
1958-07-25
Process for the production of black carbon and carbonless paper in particular
CH342515A
(en )
1959-11-15
Process for the production of carbon and graphite shaped bodies
CH342956A
(en )
1959-12-15
Process for the preparation of N-aminoalkyl-3-chlorophenothiazines and their hydrochlorides
CH355025A
(en )
1961-06-15
Process for the preparation of mixtures suitable for paper coating
CH355690A
(en )
1961-07-15
Process for the production of rotogravure printing rollers
CH431260A
(en )
1967-02-28
Process for the production of carbon and copy paper in sheet or tape form
AT210857B
(en )
1960-08-25
Process for the production of real dyeings and prints on cellulose material
AT188097B
(en )
1956-12-27
Process for the production of porous plastic sheets
AT218040B
(en )
1961-11-10
Process for the production of color transfer agents, especially carbon and carbonless papers
AT189965B
(en )
1957-05-25
Process for the production of drawing and writing pens
CH362319A
(en )
1962-05-31
Process for the production of printing plates
CH357080A
(en )
1961-09-30
Process for the production of multicolor prints in relief or flat printing
AT265680B
(en )
1968-10-25
Process for the production of iron-graphite composite materials